serene night at hainan highlands sinkhole - minimalist landscape with starry sky and milky way

hainan highlands sinkhole night sky stars milky moonlight minimalist landscape serene tranquil celestial astronomy clear scenic view nature outdoor cosmic beauty wonder peaceful soft illumination astrophotography evening travel tourism china blue tropical background sea water ocean reef hole aerial aqua marine turquoise aquamarine belize great holiday environment diving mayan antiquities barrier caracol ancient history stone material old ruin