Prepare to have your socks knocked off by these astonishing facts. Did you know that a group of owls is called a parliament? Or that the Eiffel Tower can grow as much as 6 inches taller in summer due to heat expansion? https://www.youtube.com/watch?v=GhxY0Yaz-wc&list=PLDOnTISZ5lA8mOyqGsquV8jmy3z1uHfJZ