World AIDS Day 2011 - Piman, Thailand These are four of the adult riders in the bike ride for World AIDS Day in Piman, Thailand - December 2, 2012. Each rider wore a sign (either in Thai or English) that used the themes of "Getting to Zero." The 2nd and 4th people (from left) are both Peace Corps Volunteers - the other two are active members of the Piman community. More than 120 riders participated in the World AIDS Day Bike Ride 2011.