Boat on Halong Bay at sunset, UNESCO World Heritage Site, Vietnam, Indochina, Southeast Asia, Asia

travel destination photography horizontal colour image sunset outdoors scenics landscape non urban scene physical geography coastline unesco world heritage site unesco bay vietnam vietnamese culture boat fog mountain atmospheric mood indochina southeast asia asia halong bay incidental people sunlight dramatic landscape tranquil scene colour color image color outside tourist destination travel background people people in the background topography scenery scenic scene scenes picturesque mist misty foggy tranquility serene serenity peaceful unesco world heritage sites world heritage site world heritage sites typically vietnamese traditional culture tradition traditional traditionally vietnamese traditionally vietnamese sundown dusk twilight sirius collection x 2017m7 x printready