Photo taken on July 29, 2018 shows visitors walking on the Golden Bridge in Ba Na Hills in Da Nang, Vietnam. (Xinhua/VNA)

 

Photo taken on July 29, 2018 shows visitors walking on the Golden Bridge in Ba Na Hills in Da Nang, Vietnam. (Xinhua/VNA)

 

Photo taken on July 29, 2018 shows visitors walking on the Golden Bridge in Ba Na Hills in Da Nang, Vietnam. (Xinhua/VNA)

 

Photo taken on July 29, 2018 shows visitors walking on the Golden Bridge in Ba Na Hills in Da Nang, Vietnam. (Xinhua/VNA)