Lake Burlinskoye, located in Russia’s Altai region close to the border with Kazakhstan, is a unique site known for its pink summertime colour. Crabs living in the lake give the water its bright colour, attracting tourists looking to snap a captivating holiday picture. Train enthusiasts may also have something interesting to find here: a freight train travels to the very centre of the lake to get its salty riches.

The presence of a freight train on the lake is explained by the fact that it has a remarkably high amount of salt in its water. Its density is so high, that it could even beat the famous Dead Sea in hot weather. No vegetation survives in the water of Lake Burlinskoye.

Its saltiness did not go unnoticed by those looking to exploit it. Salt extraction in the lake started in 1762, and was given an upgrade during Soviet times. The Soviets built a railway to the centre to the lake, where salt concentrations are highest, for even more efficient extraction.

Video: Wikimedia Commons. © Raville Ahmedov

The shallow depth of the lake makes the unique submerged railway possible. The train’s wheels traverse through the water, creating the impression that the train is floating. In combination with its bright summertime pinkness, it makes for an interesting and puzzling sight to see.