Results 2 results found View through sentry post window, Great Wall of China, built 1368, Mutianyu section, UNESCO World Heritage Site, Beijing, China, Asia Meerkat (Suricata suricatta) sentry, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa HOLIDAY, FL - MARCH 20, 2017: An adult bald eagle Haliaeetus leucocephalus post sentry near it's nest on the Gulf of Mexico shore in Holiday, FL Puerto Rico, Old San Juan, El Morro Fortress, Sentry post Puerto Rico, Old San Juan, El Morro Fortress, Sentry post Puerto Rico, Old San Juan, El Morro Fortress, Sentry post