Protests took place Friday. Power cuts can last up to 18 hours a day. About a third of Zimbabwe's population needs food aid, due to drought and the worsening economy, the U.N. says.

The legislation is a response to police killings of unarmed black men such as Stephon Clark. But critics say it doesn't go far enough.

"The big picture of survival is sometimes so hard to see, but we always know what we can do to make the next best step toward survival," says cave diver, photographer and memoirist Jill Heinerth.