For me the essence of Tonglen practice is remembering "Other people feel this too." When I touch into pain or joy, knowing that I am not alone connects me to the mystery of the shared journey.
This looks like an amazing tribute to this embodied adventure. The first comment on the page: "If aliens came to earth, I would show them this movie."
http://www.youtube.com/watch?v=bT_UmBHMYzg
(Thanks, Ellen.)