aerial view of yellow sulphurous soil texture

v01640079 unknown v100 dcim 900media dji_0109 jpg aerial view yellow sulphurous soil texture aerial sulfur texture background environment natural yellow ecology ground pollution mineral copper ecological toxic environmental industrial mining ore stream polluted flow surface pyrite stain contaminated tailings sulphide spoil heaps flat lay piles waste spots wavy dumps wasteland gray land barren grey curves sulphur geology hungayono indonesia gorontalo