River Thames reign was the completion of the multi-piered London Bridge, which acted as a barricade and barrage on the river, affecting the tidal flow upstream and increasing the likelihood of the river freezing over. In Tudor and Stuart times, various kings and queens built magnificent riverside palaces at Hampton Court, Kew, Richmond on Thames, Whitehall and Greenwich. As early as the 1300s, the Thames was used to dispose of waste matter produced in the city of London, thus turning the river into an open sewer. In 1357, Edward III described the state of the river in a proclamation: "... dung and
Queen Elizabeth II Quay simply "the harbor" and is Freetown's more centrally located harbor. Queen Elizabeth II Quay has sometimes been the called the "third largest natural harbor in the world"— this is inaccurate in two respects: 1.) the QE II Quay is not itself a natural harbor but a man-made port or "quay", and 2.) the quay is a very small feature of the river estuary on which it was built— it is this estuary which has carved out what is the largest natural harbor on the African continent. This still puts this harbor behind Port Jackson in Sydney, Australia, and several natural