Topic: Tallest buildings

(<a href='http://www.shutterstock.com/gallery-2737p1.html'>Ritu Manoj Jethani</a>, <a href='http://www.shutterstock.com/gallery-658339p1.html'>Vadim Georgiev</a> via <a href='http://www.shutterstock.com/'>Shutterstock</a>/Salon)

Mine's bigger than yours

Henry Grabar