The street, where trains travel along a track just inches away from homes and businesses in the Vietnam capital, has long been one of the most popular tourist sites in Hanoi and a regular favorite on social media. However, it is also dangerous. The train track is still operational, and there have been security issues with tourists who like to sit, lie down and pose on the tracks. Although there has been official pushback in the past -- most notably in 2019 -- the Hanoi regional government is now taking a hard line by revoking all the licenses for coffee...