green rail corridor in western singapore

timah pasture scrubland bush bukit landscape asia wilderness skyline connection habitat link warm water wild shrubs regeneration cumulus lush field garden ecosystem countryside area connector chu evergreen rail buildings meadow plants kang ktm trail woodlands sky panjang tropical forest corridor rewilding choa recreation trees track walkway catchment country singapore regenerating park land western wildlife natural clouds greenery outskirts grasses day ecological tall kranji vegetation route former walking suburbs dense hiking naturalised space humid rural road hot connectivity rainforest cycling thick