Some of the panes had cracked, and many were covered in pigeon shit.

Years of pigeon shit hung from the steel roof supports like grey icicles.

"Larry's letting us put up an access point," he said, wiping the pigeon shit off a wire preparatory to taping it down.

It was a pale splatter of pigeon shit.

The pigeon shit was already stiffening in the sun, and he was wishing they had not lost their hats.

I ran on through dirty puddles and pigeon shit.

She went to Trafalgar Square and dodged pigeon shit.

Dust and dirt and pigeon shit weren't much of a happy ever after.

She sat with her thin, frozen smile amid the pigeon shit on the park bench among the glistening black trees, staring at nothing at all.

Whenever she did the wash, the pigeon shit got blasted up into clouds, which she inhaled.