“In the great shopping districts in the Thirties, the pavements became so soft in late afternoon that the crosswalks were dotted with rubber heels that were caught in the asphalt and tar as women passed by. ...In Syracuse, on one of the main streets, a housewife fried an egg on the pavement; at Perry, N.Y., an absent-minded man who left his false teeth on the window sill returned within an hour to find them melted away.
Melted dentures? That's hot! Link