Harinama in Prague (Album of photos)
Srila Prabhupada: Devotional service begins with the chanting of the Hare Krishna mantra and side by side trying to understand Krishna in truth. Unfortunately those who are simply official students of the Vedas become more interested in offering sacrifices to the different demigods, like Indra and Candra. (Bhagavad-gita, 9.20 Purport)
Find them here: https://goo.gl/GDMSVs