Astonishing Lego model of Vatican took Philly priest 500K pieces and 10 months to build

In this Friday, Sept. 11, 2015 photo, visitors view a Lego representation of the St. Peters 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)

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. Peterâs 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)

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. Peters 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)

In this Friday, Sept. 11, 2015 photo, shown are figurines in a Lego representation of the St. Peters 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)

In this Friday, Sept. 11, 2015 photo, shown are figurines including one designed to look like The Rev. Bob Simon in a Lego representation of the St. Peters basilica and square, at The Franklin Institute in Philadelphia. Simon spent about 10 months building it with approximately half-a-million Legos. (AP Photo/Matt Rourke)

In this Friday, Sept. 11, 2015 photo, The Rev. Bob Simon poses for a photograph with his Lego representation of the St. Peters basilica and square, at The Franklin Institute in Philadelphia. Simon spent about 10 months building it with approximately half-a-million Legos. (AP Photo/Matt Rourke)

In this Friday, Sept. 11, 2015 photo, shown are figurines in a Lego representation of the St. Peters 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)

In this Friday, Sept. 11, 2015 photo, shown are figurines in a Lego representation of the St. Peters 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)

In this Friday, Sept. 11, 2015 photo, shown is a Lego representation of the St. Peters 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)