China’s first overpass for wildlife migration has already come into use. The bridge 【小题1】(lie) over the newly constructed National Highway 214 is able to link animal habitats separated by the road. 【小题2】(cover) with sand―much like the surrounding land, the overpass can fit in with the environment well.

It’s about two years since the national highway 【小题3】 (begin) and it is designed with environmental protection as a top priority. A project environmental engineer for the highway said they based the construction of these man-made corridors（通道）【小题4】 years of observation of wildlife migration in the region. The bridge, for example, is built according to the region’s natural conditions and with 【小题5】 purpose of reducing the highway’s effect on the animals significantly. Wildlife overpasses and underpasses assist animals 【小题6】 (safe) crossing over or under busy roadways and allow them to continue to use their customary paths, 【小题7】 would otherwise be blocked.

Those passageways, with a total 【小题8】 (long) of 59 kilometers, enable antelopes and other animals to cross the railway freely. So far, China has put great effort into achieving 【小题9】 (harmony) coexistence between human development and the protection of wildlife. The Qinghai-Xizang Railway, the world’s 【小题10】 (high) railroad, has 33 underpasses for migrating animals.