Drone Following Paddled Boats with Tourists in Ninh Binh Bird Park

drone following paddled boats tourists ninh binh bird park vietnam aerial view nature wildlife scenic adventure outdoor leisure travel explore excursion river waterway birdwatching natural habitat serene tranquil wildlife sanctuary paddleboats wildlife watching beautiful relaxation serenity ecotourism wildlife conservation nature reserve canopy trees bird park experience ornithology avian birdwatchers sightseeing ninh binh province ecofriendly sustainable tourism ecopark bird species diversity ornithological experience park visitors peaceful calm environmental conservation