Maybe it’s because buildings tall and short seem to be slapped together over a few weeks or a couple months these days, or maybe people just realize that watching long construction processes reduced to a 20-second video is really cool, but we’ve become addicted to time-lapse clips of epic skyscrapers rising from their foundations to the heavens. And since today is Skyscraper Day, what better excuse to indulge our addiction? We’re doing so with these 9 Time Lapse Videos of Skyscrapers Being Built.

Federation Tower in Moscow

Rappongi Hills, Tokyo from April 2001 To July 2003

11 Times Square in New York City

Al Hamra Tower in Kuwait City

Shinjuku, Tokyo from July 1969 To July 2004

The Denver Spire

Bloomberg Media Building in New York

Hearst Tower in New York

Willis Building in London