sunset in ha long bay, vietnam. sunset behind misty rock formations, boat in foreground, reflections in south china sea, vietnam

asia asian backlight bay boat china chinese destination dragon features foreground formations frontlighting gulf ha long halong heritage isles karsts limestone pillars mist haze hazy misty mood ninh orange plants popular province quang refections reflections riffles rock rocks sea shapes ship site sizes south sun sunrise sunset thousands tonkin travel unesco various vietnam water world