Vietnamese tourists are making a beeline for Nid's refreshment stall in Bangkok's Phra Nakhon district, eager to 'check in' with the owner, known for her striking makeup and sweet milk tea concoctions.

Long queues form for hours at a shop in Phuc Xa, Dan Phuong commune, where customers eagerly await hot, flavorful banh mi, even with a three-loaf per person limit.