《地狱使者：大黄蜂的命运与救赎》一边亲着一面膜的免费版

　　National Geographic Explorer takes an up-close look at the largest hornet in the world Japanese giant hornet. The two-inch predator combines both power and aggression in its small form. It can call as many as forty honeybees in a minute. Their painful venom has even taken the lives of some human beings.