千里征程人未还川西造林绿化攻坚纪实文／图／王治青地球上有不具备人类生存条件的“生命禁区”，也有不具备植物生长条件的“绿化禁区”。占四川大半壁河山的川西高山高原，就有不少“绿化禁区”，它令许多人闻而生畏。这里自然条件十分恶劣，峡谷高山，低温严寒，长冬无... Thousands of miles journey did not return to the western Sichuan afforestation fortified documentary / Photo / Wang Zhigao There are not living conditions on Earth, “the restricted area of ​​life”, but also does not have the conditions of plant growth, “green forbidden zone.” Most of Sichuan’s western Sichuan Plateau, which accounts for most of Sichuan’s rivers and mountains, has many “greening forbidden zones” that make many people dread. The natural conditions here are very poor, canyon mountains, cold, winter without ...