In this Friday, Sept. 11, 2015 photo, shown a Lego pope figure on a balcony overlooking the crowd in the piazza in a Lego representation of the St. Peter’s basilica and square, at The Franklin Institute in Philadelphia. The Rev. Bob Simon spent about 10 months building it with approximately half-a-million Legos. (AP Photo/Matt Rourke)

Photos: Lego Vatican

A mini St. Peter’s Basilica was constructed out of a half-million Legos ahead of Pope Francis’ visit to the United States.