Aerial top-down backward over Grojogan Watu Purbo Bangunrejo river dam, Sleman in Yogyakarta

aerial top down back reverse flyback drone backward grojogan watu purbo bangunrejo river dam sleman yogyakarta indonesia top directly above above water plant tree green vibrant color colorful contrast nobody stone step tourism view environment fall national scenery flowing background scenic stream waterfall park natural nature travel landscape video shot establishing