On a staircase amidst the skyscrapers of Shanghai’s central business district, there is an abstract, reflective silver sculpture of a man and a woman sitting next to each other and gazing upward. The silver woman, at right, shades her eyes as she looks upward, and the silver man at left gazes into the distance through a pair of binoculars.

Watching the Watchers, by Andrew Roberts (CC BY-ND 2.0)