Danyang-Kushan Grand Bridge is the longest bridge in the world.
Taiga is a Russian word for forest.
Snow-shoe trail in boreal forest taiga winter wilderness landscape of Yukon Territory, Canada, north of Whitehorse
Because its edges mark a circle of high volcanic and seismic activity.
Today the population is 7.1 billion and rising, but the total accumulation of people, living and dead, has reached 108 billion.