ulu sembawang scrubland and secondary forest

abandoned terrain footpath scrubland flat biodiversity bush asia landscape wilderness margins nature woods habitat warm wild shrubs network cumulus lush woodland field jungle countryside ecosystem connector evergreen meadow unmanaged plants verdant trail sky tropical forest off rewilding corridor leaves environment territory trees track recreation green singapore regenerating park wildlife land forested ulu plain natural greenery paradise grasses cloudy ecological vegetation secondary scenery mature walking fringe hiking space naturalised soil sembawang succession dense scrubs rural humid hot grassland rainforest uncharted beaten