(Photo: 2Bangkok.com) Nightlife-themed Heineken ads - January 7, 2006 Under the Saladaeng Skytrain Station on Silom is a series of rotating billboards each themed on a different Silom soi. Above is Patpong and below is one for Soi 2 (a soi with many gay bars) and a more generic ad featuring Soi 4. (Photo: 2Bangkok.com) (Photo: 2Bangkok.com)