
Underneath the crap, this reads:
Swanscombe Skull Site National Nature Reserve
On this spot on 29 June 1935 A T Marston discovered the oldest known human remains in Britain.
A fossilized fragment of a skull 250,000 years old. The smaller blocks mark the sites where two further pieces of the same skull were found in 1936 and 1955.
This site was declared a National Nature Reserve in 1954. Magnus Magnusson, writer and broadcaster unveiled this memorial 29 June 1985 the fiftieth anniversary of the first discovery.
Image credit: Alan S>