2.Modernity, they proudly and not uncontroversially say, has arrived in this backwardregion in the form of an engineering miracle that has laid tracks on land gripped year-round by ice, a railway line at higher altitude than any other in the world.
4.If one imagines running the clock backward in time, any given region of the universe shrinks and all galaxies in it get closer and closer until they smash together in a cosmic traffic jam—the big bang.
5.Evident backward erosion had appeared in the coastline of the delta region in recent years owing to decreaseof flow and sediment from the Yellow River.
