8 years ago
How the River Thames was brought back from the dead
Sixty years ago, nothing could survive in the Thames – but today it is home to seals, porpoises and even the occasional stray whale. On a sunny autumn morning in London's financial district, Rod Guzman is looking for his favourite seal. Right next to the banking hub of Canary Wharf, between the grimy docks that once formed a global shipping port, lies a hidden hotspot for herons, cormorants, moorhen – and seals.
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