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China’s first overpass for wildlife migration has already come into use. The bridge 1.(lie) over the newly constructed National Highway 214 is able to link animal habitats separated by the road. 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 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)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 5. purpose of reducing the highway’s effect on the animals significantly. Wildlife overpasses and underpasses assist animals 6. (safe) crossing over or under busy roadways and allow them to continue to use their customary paths, 7. would otherwise be blocked.

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

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