A climber participates in the 2019 annual Climbing Festival in the island of Kalymnos, Greece, in this October 4, 2019 file photo. The festival has attracted some 400 sports climbers from across the globe. The geography, the breathtaking views and the great weather conditions have made the Greek island of Kalymnos a top destination for international rock climbers of all levels with more than 2500 climbing routes. — AFP