Ha Long Bay with boats; Quang Ninh Province, Vietnam

horizontal transportation outdoors day daytime color colour cloudy reflection landmark rocks rugged bay boat sea reflections vessel coast shoreline asia landmarks asian landscapes tourism tour scenics overcast boats coastal nautical coastline boating touring limestone watercraft world heritage site local landmark tourist attractions attractions destinations halong bay vietnam tours cloud window pacific ocean outside nobody attraction destination travel landscape ocean color image unesco water tourist attraction travel destination travel destinations rock unesco world heritage site non urban scene nautical vessel place of interest tour boat tour boats colour image no one no people gulf of tonkin ha long bay local landmarks boat tours karst formation south china sea karsts places of interest boat tour ha long karst formations