Black moss is synonymous with Lunar New Year feasts because its name in Cantonese sounds lucky – fat choy being a homonym for “get rich”. However, cultivation of the moss has taken an unfortunate toll on some arid regions of mainland China. Post deputy culture editor Charmaine Mok reports on how overharvesting of black moss has turned some areas into desert. Read Charmaine’s full story: https://sc.mp/ldgag