Buddhist monk Thubten Wangchen (3rd R) and participants walk with Tibetan flags and images of Mahatma Gandhi during their march for "peace and non-violence" from Plaza d'Espanya (Spain Circus) to the Montjuich castle in Barcelona October 2, 2010. The march is to commemorate Gandhi's birthday and to support Buddhist monks from Tibet, Vietnam and Burma in their "peaceful struggle against injustice". REUTERS/Gustau Nacarino(SPAIN - Tags: SOCIETY RELIGION)