translation.en: UE: Usually I'm wearing a helmet. In the mountains I'm always wearing a helmet because of landings -- usually it's difficult -- it's not like regular skydiving where you have like the big landings.
translation.zh: UE: 我通常要戴头盔。在山沟中穿梭的话我一直戴头盔 因为降落通常很困难 与普通跳伞不同，普通跳伞有很大的空地让你着路。（而山里却没有空地）