In this June 21, 2016 photo, a resident walks down the stairs amid the fog in the Villa Maria del Triunfo district on the outskirts of Lima, Peru. Unlike most tourists, a small group of them pay $45 to visit the Villa Maria del Triunfo district, bringing with them notebooks, pencils and socks to warm the feet of the shantytown children amid the cool, damp weather of the Southern Hemisphere winter. (AP Photo/Rodrigo Abd)

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