scenery of a large mound of sand that was excavated and poured together leaving traces

environment nature yellow agriculture background backhoe brown bulldozer concrete construction development digger dirt dry dune earth earthworks geology gravel ground heap heavy hill industrial industry isolated land large loader mound mountains natural organic pile push road rut sand soil space stack stone surface texture top traces tractor wheel print scenery excavated poured together leaving wheels prepare materials filling repairing roads rural thailand season