File:Kaukau (aka kumara, aka sweet potato) gardens, Ambum Valley, Enga Province, PNG, 1981. The mounds are full of compost so the soil is warm enough for the kaukau to grow..jpg
Kaukau_(aka_kumara,_aka_sweet_potato)_gardens,_Ambum_Valley,_Enga_Province,_PNG,_1981._The_mounds_are_full_of_compost_so_the_soil_is_warm_enough_for_the_kaukau_to_grow..jpg (720 × 467 pixels, file size: 46 KB, MIME type: image/jpeg)