4 ms·
Worth noting that we took 60 years after the great smogs of the 1950s before cleaning St Paul's Cathedral
by johnny_reilly 7y ago
Worth noting that we took 60 years after the great smogs of the 1950s before cleaning St Paul's Cathedral
- Reason077 7y agoThere's plenty of facades on busy roads that could use a deep clean in a few decades when all the diesel soot is finally gone from the air.