Here's a National Geographic style documentary that's alternately exploitive and informative. The film presents a wide variety of ways that humans interact with nature. It depicts the actual footage of a careless man (Pit Dernitz) leaving the safety of hi
简介：Here's a National Geographic style documentary that's alternately exploitive and informative. The film presents a wide variety of ways that humans interact with nature. It depicts the actual footage of a careless man (Pit Dernitz) leaving the safety of hi
