A Sense of Scale

When I read that the diameter of the clock face atop Abraj Al Bait (aka Makkah Royal Clock Tower Hotel, 2012) in Mecca is 46 meters (150 feet), I knew that meant it is big. But how big? To answer that I made this illustration:


[comparative illustration by archidose | image sources, top to bottom: Big Ben, Met Life, Abraj Al Bait]

(See the Clock Tower Hotel in context with other 2012 tall buildings, via CTBUH.)