Aldabra Atoll is a member of the Aldabra Group, one of the archipelagos of the Outer Islands of the Seychelles. The second largest atoll in the world after Kiritimati, Aldabra is the coraline tip of a volcanic sea mount, rising from depths of 4,000 to 4,500m (13,120 to 14,760 ft). At 34 km (21 mi) [...]