The birth took place in the public. But the keepers gave the giraffe the choice, they had a little area that was penned of in front of the open barn door so the mom could chose if it wanted to go in the barn or stand in the public viewing area. She chose the public area, which was good for everyone watching.
Yeah the baby had quite a fall but baby giraffes are built for that, it stood up within 30-45 mins.