Prayer flagÃÂ is a colorful rectangularÃÂ cloth, often found strung along mountain ridges and peaks high in theÃÂ Himalayas. They are used to bless the surrounding countryside and for other purposes. Prayer flags are believed to have originated withÃÂ Bon. In Bon,ÃÂ shamanisticÃÂ BonpoÃÂ usedÃÂ primary-coloredÃÂ plain flags in Tibet. Traditional prayer flags includeÃÂ woodblock-printedÃÂ text and images.