With £100,000 at stake, 12 strangers including a Covid-19 survivor have just 20 days to build an 850-foot bridge by hand, in the ultimate test of teamwork and trust.

AJ Odudu hosts from Vietnam's Ha Long Bay, as two teams race to build a 1000-foot bridge across the South China Sea in just 12 days, to win £200,000. With former Royal Marines Commando Aldo Kane.