Clowns are the saddest people of all

It's 10 a.m. on a chilly morning in Nairobi, the capital of Kenya, and the corridors of Kenyatta National Hospital are already bustling.

Loud giggles and shouts spill from the wide corridor opening onto the pediatric ward. That's where Joel Kirambo, Kennedy Mukasa, and Joel Nzova are putting on a show for about three dozen kids and their parents.

This piece originally aired on WHYY's The Pulse. To listen and check out the photos, follow this link.