A young visitor crawls on the Bach Long glass bridge in Moc Chau district in Vietnam's Son La province on April 29, 2022.  - Vietnam launched a new attraction for tourists -- with a head for heights -- on April 29 with the opening of a glass-bottomed bridge suspended some 150 metres above a lush, jungle-clad gorge.  (Photo by Nhac NGUYEN  /  AFP)

Don't look down: 'world's longest' glass-bottomed bridge opens in Vietnam