A view of the beautiful interior of the dome in Saint Peter’s Basilica, Vactian City. The dome was designed by Michelangelo and construction was finished by Giacomo della Porta some years after Michelangelo’s death.

https://en.wikipedia.org/wiki/St._Peter%27s_Basilica

https://en.wikipedia.org/wiki/Michelangelo

https://en.wikipedia.org/wiki/Giacomo_della_Porta

http://www.vaticanstate.va/content/vaticanstate/en/monumenti/basilica-di-s-pietro/cupola.html