Sally Lightfoot crab (Grapsus Grapsus), Sullivan Bay, Isla Santiago, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Tourists walking on lava flow on Isla Santiago, Sullivan Bay, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Sally Lightfoot crab (Grapsus Grapsus), Sullivan Bay, Isla Santiago, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Sally Lightfoot crab (Grapsus Grapsus), Sullivan Bay, Isla Santiago, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Tourists walking on lava flow on Isla Santiago, Sullivan Bay, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Beach in Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

View over Lava field in Sullivan Bay towards Bartolome Island, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Tourists visiting Lava field in Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Lava field in Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Tourists walking on lava flow on Isla Santiago, Sullivan Bay, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America