(CNN) – Authorities are clamping down on the cafes that line one of Hanoi's most famous roads, citing overtourism and safety concerns.
The juxtaposition of train tracks and residential housing has made it hugely popular with travelers.
But the municipal government of Hanoi, led by the local transit authority, has ordered that cafes alongside the heavily Instagrammed train tracks ̵
"Though the railway cafes attract tourists, they are, in fact, violating some regulations, "Ha Van Sieu, vice chairman of the Vietnam National Administration of Tourism, told reporters at a press briefing.
He did not mention specific regulations, but noted that the street has been an issue for some time.
Is this the prettiest street in Hanoi?
A longtime Hanoi resident, he watched as "train street" transformed from a cool novelty into a safety concern.
"Travelers need to be mindful of optics," he added.
When it comes to overtourism, some destinations face more of a challenge than others. While Hanoi's government can close down cafes, it's hard to totally shut down a public street inhabited by local residents.
Still, controlling crowds and curbing bad social media behavior is an ongoing problem in the travel industry, including other destinations in Asia.