A new office tower included a new plaza in downtown San Francisco in 2008, which in addition to public seating brought “Moonrise Sculptures: March, October and December” by Ugo Rondinone. San Francisco requires developers to provide privately owned public open spaces with new downtown buildings. (Shutterstock.com)

A new office tower included a new plaza in downtown San Francisco in 2008, which in addition to public seating brought “Moonrise Sculptures: March, October and December” by Ugo Rondinone. San Francisco requires developers to provide privately owned public open spaces with new downtown buildings. (Shutterstock.com)