Prayer flags are colorful panels or rectangular cloths often found strung along mountain ridges and peaks high in the Himalayas to bless the surrounding countryside or for other purposes. Unknown in other branches of Buddhism, prayer flags are believed to have originated with Bön, which predated Buddhism in Tibet. Traditionally they are woodblock-printed with texts and images.
Prayer flags are used to promote peace, compassion, strength and wisdom. The flags do not carry prayers to 'gods', a common misconception, rather the Tibetans believe the prayers and mantras will be blown by the wind to spread the good will and compassion into all pervading space. Therefore, prayer flags are thought to bring benefit to all.