sunlight entering tropical rainforest

woodland tree forest leaf plant green sunlight deciduous flower autumn garden jungle trail nature park tropical entering rainforest filtering canopy bukit timah reserve singapore equatorial asia mist morning sunshine photosynthesis science botany ecology plants air clean pristine primary original trees dense biodiversity natural vegetation national protected conservation clear quiet silent peaceful trunks stems landscape scenery woods warm humid moist hot secondary regenerating leaves dark shade day branches evergreen diverse species flora ecosystem pure purify cool ferns