People board the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

Travelers pose for a photo with the sign of the Eastern Express, which travels from Ankara to Kars, ahead of departure in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People illuminate the compartment of the Eastern Express, which travels from Ankara to Kars, with lights ahead of departure in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People pose for a photo in a compartment of the Eastern Express, which travels from Ankara to Kars, with lights ahead of departure in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People play with balloons in a compartment of the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People are seen in a illuminated compartment of the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People chat in a illuminated compartment of the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People eat their snacks in an illuminated compartment of the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

Two women chat as they sit on the floor on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

Travelers pose for a selfie on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 12, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People eat their snacks in an illuminated compartment of the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People celebrate a traveler's birthday on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A breakfast is served on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A woman watches the landscape as she travels with the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A man watches the landscape as she travels with the Eastern Express, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People sit in a compartment of the Eastern Express, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A girl watches the landscape as she travels with the Eastern Express, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A woman watches the landscape as she travels with the Eastern Express, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker serves tea to travelers on the Eastern Express, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

People buy kebab, which are ordered before the travelers' arrival, during the break of the Eastern Express, which travels from Ankara to Kars, in Erzurum, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A child throws a snowball to the Eastern Express, which travels from Ankara to Kars, in KArs, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A bride and groom is seen on a station on Eastern Express' route, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A general view of the Eastern Express' route, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

Heavy fog covers the Eastern Express, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A general view of the Eastern Express' route, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A general view of the Eastern Express' route, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A general view of the Eastern Express' route, which travels from Ankara to Kars, in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker serves food to travelers on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker serves food to travelers on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker sell tickets to travelers on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker take notes on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The Eastern Express approaches a station, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The machinist of The Eastern Express, which travels from Ankara to Kars, holds a lever, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker serves food to travelers on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

A worker holds a handle of a tea pot on the Eastern Express, which travels from Ankara to Kars, in Ankara, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The Eastern Express , which travels from Ankara to Kars, passes through a bridge in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The Eastern Express , which travels from Ankara to Kars, passes through a bridge in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The Eastern Express , which travels from Ankara to Kars, passes near a slope in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The Eastern Express , which travels from Ankara to Kars, passes near a slope in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )

The sign of The Eastern Express, which travels from Ankara to Kars, is seen in Kars, Turkey on January 13, 2018. With the starting of winter season, trekking groups, photograph artists, mountain climbing groups and university students prefer the Eastern Express as their travel route. ( Mustafa Kamacı - Anadolu Agency )