@vietnamtodayvtv: Wondering why those Côn Đảo island rocks are bright white? It’s bird poop! But it’s not just waste - it's a vital nutrient boost. Nothing goes to waste in this perfect circular economy. Get to know more in Việt Nam Wild Live: The terns of Côn Đảo. #VietnamWildLive #ConDao #RoseateTerns #NatureFacts #CircularEconomy #VTV #VietnamToday #Wildlife #Documentary #EcoSystem #Seabirds