Trans-Siberian Railway, a network of railway lines in Russia stretching for 5,772 miles while crossing seven different time zones, will be celebrating the 100 years of its existence.

The railway line connects Moscow and the farthest eastern port city of Vladivostok.

Today, Google marked 100 years of Trans-Siberian Railway completion in Russia with one of its Doodles.

Google, with its Doodle on the search bar, marked the completion of the longest railway line in the world.

Purpose.

Tsar Alexander III, head of the Russian government in 19th century, ordered the construction of Trans-Siberian Railway in order to make the country more powerful in the world in terms of trade by making transportation convenient across Russia's vast territorial area.

The Trans-Siberian Railway was constructed during the time where national trade for Russia was crucial as the industry and other trade was available in the western region. There was a need to connect the eastern region with Moscow and other cities.

Construction.

Tsar Alexander III ordered to construct the network of Trans-Siberian railway lines in 1891. It continued until 1916 with huge manpower of more than 90,000 soldiers, convicts and other laborers. It took 26 years to complete the Trans-Siberian Railway line.

Routes.

The available Trans-Siberian railways routes are the tracks stretching from Moscow to Vladivostok (eastern region), and to China and Mongolia with other lines connected crossing various natural environments such as mountains, forests and arctic wasteland.

Current world.

The Trans-Siberian railways is considered to be the crucial mode of transport for Russia to connect the western regions like the Europe and the eastern region like China. It is reported that 250,000 containers of goods are carried by Trans-Siberian railways every year along with many tourists to witness the country's natural landscapes.