It was a proud zoo director, who in August presented the hatchlings of Lachesis muta
http://www.regnskoven.dk/netop-nu/nyhedsvisning/nyhed/verdenssensation-i-randers-regnskov-verdens-stoerste-hugorm-har-faaet-unger/ (In Danish)
The eggs hatched after 72 days incubation with an incubation temperature of 26,2-27°C.

The photo has been borrowed from the above website, courtesy of "Randers Regnskov".
Edit: I'm not affiliated with this zoo in any way. Just wanted to spread the good news
