One of the biggest landmarks and one of the most famous bridges in the world is London's Tower Bridge.

Built between 1886 and 1894, the bridge has become an icon of the city and one of the busiest bridges in the world with over 40,000 people a day crossing the River Thames by Tower Bridge.

In addition, the bridge can be raised to allow the passage of ships. The openings are made every day and it is a magnificent work of engineering to contemplate. You can check the opening hours of the bridge here.
 
Also, for photography lovers, the opening moment offers great photographic opportunities to make one of the best snapshots of the city of London.