Late Sunday night I went down to the Vietnamese hub along Geylang Road between Lorong 42 and 44. There were a police patrol car and a police van outside a club. Many curious onlookers gathered around to watch.
There were a lot of Vietnamese pros. They formed small groups sitting, squatting or standing on both sides of Geylang road. Some were at the coffee-shop. Generally the Vietnamese women whom I saw, compared to those from China, are shorter, darker and less attractive. They look like Thais.
I also went to Lorong 38. There were 5 or 6 China pros standing along the road.