Beautiful purple sunset and rock islands in Halong Bay Vietnam Southeast Asia. Panorama. Junk boat cruise to Ha Long Bay. Exotic scenery. Panoramic view. Landscape Pink sky. Famous landmark of Vietnam Shutterstock Image - Beautiful purple sunset and rock islands in Halong Bay Vietnam Southeast Asia. Panorama. Junk boat cruise to Ha Long Bay. Exotic scenery. Panoramic view. Landscape Pink sky. Famous landmark of Vietnam - ID: 534299284