Anti-government "red shirt" protesters gather in front of a closed down shopping center in the main shopping district in Bangkok, April 14, 2010.  REUTERS/Vivek PrakashBangkok’s retail and commercial heart has been under occupation for 7 weeks. Anti-government “red shirt” protesters have occupied the Rajprasong intersection, which is bound by glitzy high-end shopping malls and five star hotels, many of which have been forced to close. But inside the stronghold of the red shirts, business continues in a strange but usual way.