You may have heard of the rotating head of Franz Kafka, but the author - David Černý has done many many more statues. So I made a full map for you, if you're into this kinda stuff. Btw, guess the size of the tank in the picture :)
Full map is here.
https://www.google.com/maps/d/edit?mid=1C05dh7WMqJAx_jflLtHsdDX7i-Sm8aM&usp=sharing