Experts agree that the image on the left urges toilet users to flush toilet paper in the bowl rather than toss it in a trash can. As for the image on the right, it appears to offer a double warning: Don't stand on the seat, don't relieve yourself in the upper tank.
Jennifer Wood/Courtesy of Doug Lansky
Francescangeli says boys sometimes work long hours and are often tasked with pushing carts to move rocks out of the mines. "Being a child in these places is really hard," he says. "If they have some time to spend in a free way, they like to be children. But their life doesn't permit them to be children so often."
Sister Bertha Lopez Chaves applies anti-inflammatory eyedrops to a migrant at a stadium in Mexico City where the caravan is resting. Her order is one of roughly 50 groups giving aid to the migrants in the Mexican capital. "We're just trying to deal with their basic needs so they can continue on," she says.
James Fredrick for NPR
A team of medical workers don protective equipment before entering an Ebola Treatment Center in Beni, the epicenter of the outbreak in the Democratic Republic of the Congo.
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Sangita Magar bears the scars of an acid attack that took place three years ago. She was a plaintiff in a public interest case to change Nepal's law on acid and burn violence.
Sajana Shrestha for NPR
Bryn Sobott of the FREO2 Foundation presents his group's solution to pneumonia treatment — an oxygen delivery machine that can operate using the energy generated by running water — at a pitch competition organized by Saving Lives At Birth: A Grand Challenge for Development in Washington, D.C.