Margarita flowers are seen in the middle of a sand Mandala as a Tibetan monk sweeps the sand with a brush during the First Tibetan Cultural Maya meeting in the Riviera Maya at Playa del Carmen September 11, 2011. The inaugural meeting aims to encourage the exchange of knowledge between these two ancient cultures and to share values related to the preservation of life and respect for nature. REUTERS/Victor Ruiz Garcia (MEXICO - Tags: RELIGION)