
In Nairobi, Kenya, Zuckerberg met with entrepreneurs and developers. "It's inspiring to see how engineers here are using mobile money to build businesses and help their community," he said in a Facebook post on September 1.

Zuckerberg has lunch in Nairobi with Joseph Mucheru, the Kenyan Cabinet Secretary of Information and Communications. "We talked about internet access and his ambitious plans for connecting everyone in Kenya," Zuckerberg posted on his Facebook page alongside the image on September 1.

Mark Zuckerberg and members of his team at Facebook go on safari at Lake Naivasha in Kenya on September 1.

Young impalas graze in the Crescent Island Game Park on Lake Naivasha in the Great Rift Valley.

Hippo's swim in Lake Naivasha.

A small herd of giraffes on the Kenyan plain on the Crescent Island Game Park.

Zuckerberg and friends watch a giraffe from the safety of safari truck.

A vervet in the Crescent Island Game Park.

The Kenyan landscape.

Zuckerberg meets Nigerian President Muhammadu Buhari, and Vice President Yemi Osinbajo in Abuja, Nigeria, on September 2.