Photograph by George Steinmetz @geosteinmetz #onassignment for @natgeo The terraced rice fields of Yuanyang was designated a World Heritage site by the UNESCO, which prevents the landscape from being altered. But this ancient landscape has already started to change, and now 10-20% of the terraces are dry and uncultivated, as young people are not interested in eking out a meager living of hard labor. To see more of where our food comes from, follow @feedtheplanet