Brave tourists have taken on the world's longest glass bottom bridge which hangs 150 metres over a glass gorge.
The Bach Long suspension bridge, which translates as "White Dragon", is in Son La province, northwest of the capital, Hanoi, and bordering Laos.
"I dared not look down as I am afraid of heights," said one visitor, Vi Thi Thu, 22, who ventured onto the bridge after attending Saturday's opening ceremony, which included dragon dancing and ribbon cutting.
The reinforced glass used for the bridge has three layers, each 40mm thick, and can hold up to 450 people at a time, according to a statement from the facility's owner.
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The bridge is 290 metres long between two peaks on either side of a gorge, plus a 342-metre pathway on the cliffside.
Guinness World Records lists a 562-metre glass-bottomed bridge in Qingyuan, in China's Guangdong province, as the world's longest.
"The engineering required to build that into the side of a cliff but maintain all the features of nature, the greenery, the rocks, it's been an amazing project," said Glen Pollard, a representative of Guinness World Record, who attended the opening ceremony.
The World Record Association, also a record-certifying body, has listed the two-part Vietnamese bridge as the world's longest at 632 metres.
Another visitor at the opening ceremony said he quickly overcame initial nerves when walking on the bridge.
"At first it makes you panic, but then if you walked over around 10 glass panels, that feeling is gone," said Tran Xuan Tinh, 72.
Those Brits wanting to brave the bridge can now do so, due to relaxed entry rules.
From 15 March 2022 Vietnam has reintroduced visa waivers for the nationals of 13 countries including the UK.
Visa waivers allow for visits to Vietnam for up to 15 days without needing to apply for a visa.
From 15 May you no longer need to take a Covid test before travelling to Vietnam.
If you show symptoms of Covid - fever, cough, sore throat, runny nose, body aches, loss of taste, loss of smell, headache, diarrhoea, breathing difficulty - you must notify the health agency at the border gates.
Vietnam allows Brits into the country, regardless of their coronavirus vaccination status.
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