toa payoh hill forest

toa payoh hill forest singapore meadow plain grass grassland landscape scenery green greenery asia tropical rainforest woods woodland unmanaged spontaneous vegetation growth jungle albizia trees secondary young plants bushes shrubs undergrowth fringe edge effect sky canopy land flat slope equatorial clouds cloudy day field environment ecological corridor regeneration regenerating wild wilderness rural area plantation former grave greenfield site nature natural habitat native foliage evergreen glen glade