North Pole Since 2002, the Russians have also annually established a base, Barneo, close to the Pole. This operates for a few weeks during early spring. Studies in the 2000s predicted that the North Pole may become seasonally ice-free because of Arctic ice shrinkage, with timescales varying from 2016 to the late 21st century or later. The sea depth at the North Pole has been measured at by the Russian Mir submersible in 2007 and at 4,087 m (13,410 ft) by USS "Nautilus" in 1958. The nearest land is usually said to be Kaffeklubben Island, off the northern coast of Greenland about
Submarine Voyage occur. The attraction ultimately reopened in June 2007 themed to Disney and Pixar's "Finding Nemo", and now operates as Finding Nemo Submarine Voyage. As initially conceived, the Submarine Voyage was to feature real fish and other sea creatures, though the idea proved to be unfeasible. A major portion of the ride simulated the voyage under the Arctic Ocean's polar ice cap undertaken by the nuclear submarine on August 3, 1958. The submarines followed a long guide rail through the following sections of the ride: As the guest enters the submarine, taped narrations play that help create an illusion that the