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

cactus prickly pear tree galapagos islands ecuador island vegetation rock landscape sky blue sunny day nature wildlife flora fauna travel adventure botany desert arid tropical environment ecosystem conservation biodiversity scenic beautiful natural outdoor green brown white plant growth flowering foliage branches leaves flowers sun light bright vibrant colorful contrast color background foreground closeup