Harinam Sankirtan in Bali, Indonesia (Album of photos)
Srila Prabhupada: The Hare Krishna mantra is specifically mentioned in many Upanisads, such as the Kali-santarana Upanishad, where it is said: âAfter searching through al the Vedic literature, one cannot find a method of religion more sublime for this age than the chanting of Hare Krishna.â (Sri-Caitanya-caritamrta, Adi-lila, 3.40 Purport)
Find them here: https://goo.gl/Rj7jKR