Millions of butterflies covering trees, Monarch Butterfly Biosphere Reserve, UNESCO World Heritage Site, El Rosario, Michoacan, Mexico, North America

photography horizontal travel destinations travel monarch butterfly butterfly lepidoptera monarch butterfly biosphere reserve el rosario michoacan mexico north america unesco world heritage site outdoors day no people large group of animals animal wildlife low angle view forest tree branch wild animals in the wild trees travel destination tourist destination tourist destinations outdoor outside nobody no one no person low angle forests daytime