banner, long format dad and son tourists in boat on the lake tam coc, ninh binh, viet nam. it& x27;s is unesco world heritage

asia asian banner bay beautiful binh boat boy cave clouds coc coronavirus covid dad dong father field green hat heritage holiday horticulture indochina japan land landmark landscape lifestyle men mountain mountains nature ninh paddle plantation quarantine river saigon ship son tam travel traveler tree tropical unesco viet vietnam women