Opuntia (Prickly Pear) cacti on South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

cactus trees galapagos islands ecuador island rocky vegetation sky clouds green brown spines trunk branches pads rocks ground nature tropical botany flora environment wildlife landscape travel vacation tourism adventure exploration ecosystem biodiversity conservation endangered species endemic unique natural outdoor scene scenic beautiful amazing stunning gorgeous breathtaking wonderful fantastic fabulous splendid marvelous magnificent impressive