In 1651, under the Qing Emperor Shunzhi, the gate tower was rebuilt in the original style and renamed Tian'anmen -- the Gate of Heavenly Peace. Today it retains the basic character of the early ...

One wire at a time, the cables for the Golden Gate bridge were spun from tower to tower, anchorage to anchorage. The spinning was tedious; not only did it take time for the spinning wheel to ...