German adventurer Raphael Domyan plans to travel around the world on the world's largest boat, powered by solar panels. 85-ton catamaran powered by solar batteries, it is environmentally friendly and totally silent on the go. The ship's length - 31 meters, width - 16 meters. The surface area of 38,000 solar photovoltaic panels that provide electricity to the engines of the ship - 500 square meters. Catamaran can move at a steady pace with the speed of 7.5 knots.