ai weiwei's good fences make good neighbors

ai weiwei's installation 

good fences make good neighbors

is 

all over nyc

but this piece in washington square park

is perhaps the most visited

click here for more info

the fun house mirror effect is very intriguing

walking through it seems to be the way to experience it

but 

i liked this view the best

its the most 'this is new york' view