I know that the Thames River, which we live next to, is much cleaner then it was 20 or 30 years ago, but a whale? Cool!
Whale spotted in central London
“A whale has made its way up the River Thames to central London, where it is being watched by riverside crowds. The northern bottle-nosed whale, which is about 20ft (6m) long, was seen swimming past the Houses of Parliament and is still moving upstream.” BBC NEWS