Look at this time-lapse video of construction cranes going all crazy.
I actually don’t know if this Caterpillar 797F is bigger or if this Liebherr T-284 is bigger, but both are said to be among the largest dump trucks in the world. I mean, look at it. It’s like driving a small house.
I was just browsing the USC image libraries when I came across the “Dick” Whittington Collection of images. In this collection are some really amazing black and white photos of the Griffith Observatory under construction in 1934. Have a look at a few more images inside.