Laptev Sea Laptev Sea The Laptev Sea (; ) is a marginal sea of the Arctic Ocean. It is located between the northern coast of Siberia, the Taimyr Peninsula, Severnaya Zemlya and the New Siberian Islands. Its northern boundary passes from the Arctic Cape to a point with co-ordinates of 79°N and 139°E, and ends at the Anisiy Cape. The Kara Sea lies to the west, the East Siberian Sea to the east. The sea is named after the Russian explorers Dmitry Laptev and Khariton Laptev; formerly, it had been known under various names, the last being Nordenskiöld Sea (), after explorer
East Siberian Railway no other railway in the world has as many man-made objects, namely 40 tunnels, 16 avalanche galleries, 470 overpasses, bridges, and pipe culverts, some 280 protecting walls, let alone various buildings at different railway stations. The Circum-Baikal Railway is also known as the "golden buckle of the steel belt" (the Trans-Siberian Railway being the "steel belt") because the construction of the greatest Russian railway was finished on the shores of Lake Baikal. In December 2003, the Severomuysky Tunnel on the Baikal-Amur Mainline (a section of the East Siberian Railway) was commissioned, the longest tunnel in Russia and the fifth longest