Is the tower bridge man made?

Yes, the Tower Bridge is man-made. It is a bascule and suspension bridge built between 1886 and 1894. The bridge crosses the River Thames in London, England, and is one of the most iconic landmarks of the city. The bridge is made of steel and granite, and its two towers are each 213 feet (65 meters) tall. The bridge has a total length of 820 feet (250 meters).