China has the fastest growing economy today. While all the world giant nation face recession china still boosting their economy. They are now predominant in every sector of business. It sector, chemical sector, engineering sector including other sector, china has made vast progress. Today we cannot think a world without china products. They do anything two times faster than any other nation. This video is the testify that. However a Chinese army had to cross a one kilometer long river. They called the people liberation army of china. The authority gave them only 30 minutes to build a bridge over river. But surprisingly they had completed the bridge only in 27 minutes. Watch the video.