article_snippet: The murky waters of London's  River Thames have receded to reveal hundreds of grim discoveries over the years.
article_snippet: This gruesome-looking object was found apparently washed up on the banks of London's  River Thames this morning .
article_snippet: , the Thames has given up a series of mysterious objects over the river's long history.
article_snippet: In 1857, the 4th century BC 'Battersea Shield' was discovered during dredging for the Chelsea Bridge, and is now seen as one the UK's most significant pieces of Celtic ancient art.
article_snippet: Prehistoric animal remains have also been discovered on the riverbed and banks, including the tooth of a 28-metre-long Megalodon shark thought to be 1.5 million years old, and a section from the skull of a 30,000-year-old woolly rhino.
article_snippet: Let Die, which had been washed away from river-users owner's garden.
highlights_snippet: It is the latest in endless stream of objects found in river over the years .