The Viracocha expedition first reed boats built? Were ancient mariners able to cover large distances in reed rafts? Did ancient cultures utilize the ocean currents and winds as highways rather than barriers in search of new lands? Were the ancient navigators able to find their way across endless miles of ocean? These are questions the scientific world has debated for centuries. The expeditions of explorer/anthropologist Thor Heyerdahl captured the imagination of the world with the Kon-Tiki balsa log raft voyage on the Pacific in 1947, his Ra Expedition, a reed raft journey across the Atlantic in 1970 and his Tigris reed boat voyage
Kon-Tiki expedition speed was credited to the proper use of guaras (centerboards). On January 30, 2011, "An-Tiki", a raft modeled after "Kon-Tiki", began a , 70-day journey across the Atlantic Ocean from the Canary Islands to the island of Eleuthera in the Bahamas. The expedition was piloted by four men, aged from 56 to 84 years, led by Anthony Smith. The trip was designed to commemorate the journey in an open boat of survivors from the British steamship "Anglo-Saxon", sunk by the German cruiser "Widder" in 1940. The raft ended its voyage in the Caribbean island of St Maarten, completing its trip