Yeuch!!! (Sorry to be tasteless, but...)

I have been in London for twenty four hours. I have just blown my nose. My white handkerchief has been turned black.

This only happens to me in London.

Yeuch!!! (Sorry to be tasteless, but...)

I have been in London for twenty four hours. I have just blown my nose. My white handkerchief has been turned black.

This only happens to me in London.