Photo: East News Polish sailor, diver and explorer Arkadiusz Pawelek launches his sailing boat named "Elblag" at the marina on September 25, 2021 in Szczecin, Poland. Mr. Pawelek plans to sail around the world without stopping or outside help. He hopes to start his cruise this autumn. The 5-metre-long yacht was built single-handedly by Mr. Pawelek.