aerial view of bukit batok and bukit timah hills

tower tree hill mountain landmark forest skyscraper skyline haze building jungle sky landscape ridge nature aerial view hills bukit batok park timah reserve singapore mist misty cloud hilly east neighbourhood tropical rainforest asia dense vegetation water catchment ecological corridor flat residential block hdb housing public development woods woodland highland road plants vegetated erosion weathering soil cliff transmission station mediacorp national canopy secondary primary structure green space greenery foliage quarry place attraction scenery scenic tall emergent sanctuary wildlife conservation environment heritage