1 / 3   People look over the Gun Share Program art installation in the Daley Center Plaza in Chicago, US on Monday. /VCG Photo

2 / 3   It depicts replicas of AR-15 guns that are locked into a rack similar to bike sharing stations. /VCG Photo

3 / 3   The installation, sponsored by the Brady Center to prevent gun violence and draw attention to the ease in which guns can be obtained. /VCG Photo