American billionaire Elon Musk met with Pope Francis.
The entrepreneur wrote on Twitter that the meeting was a "great honour" for him. Musk also posted a photo of himself, the Pope, and his four children.
The private visit lasted 40 minutes, the Italian newspaper La Repubblica reports. The meeting took place in The Domus Sanctae Marthae in the Vatican, where the papal private apartments are located.
Elon Musk and the Pope discussed "environmental issues and the future of mankind."