aerial view of bukit batok and bukit timah hills

aerial view bukit batok timah hills nature park reserve singapore church cross catholic saint mary angels rooftop crucifix summit hilltop peak skyline town city buildings architecture apartments flats blocks trees tropical rainforest forest jungle woods canopy green space religious worship centre landscape natural holy sacred spiritual neighbourhood ground soil erosion cliff hillside woodland hdb housing mixed development residential infrastructure island heritage public private roads morning sky scenery ecological corridor sanctuary soul habitat conservation national preserve towers transmission vegetation dense secondary