"A heartbreaking video released by America's Humane Society has captured the moment when a troupe of lab chimps see the sky and feel the bare earth for the first time." news.com.au
"The chimps in the video were released from a US lab into Chimp Haven, a Louisiana facility set up to cater for what it hopes will be more and more of the liberated primates.
American scientists from the US National Institute of Health said in 2011 that they would phase out most invasive research on chimpanzees. There are currently around 1300 chimps in 11 different US labs." news.com.au
