hundreds of millions of bats leave the cave at khao chong phran temple, photharam district, ratchaburi

amazing animal animals background bats birds black cave cloud crowd cumulus darkness dawn discovering dusk eating evening exercise feed field fly food grass group hill horizon insect landmark landscape leave light mammal masses millions mist morning mountain nature night nightfall plain plant quail ratchaburi reflection sightseeing sky sleep speed spread storm sunlight sunset temple thai tourist travel tree twilight undefined wake wat wildlife wind wings