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<p>If you've ever been to Philadelphia then you've probably walked right by a Toynbee Tile embedded in the street. But what's the meaning on these mysterious installations, and who is doing it? Listen in to find out.</p><p>See <a href="https://omnystudio.com/listener">omnystudio.com/listener</a> for privacy information.</p>

The Mystery of the Toynbee Tiles

The Mystery of the Toynbee Tiles | CastVibes

Short Stuff: Animal Politicians

If you've ever been to Philadelphia then you've probably walked right by a Toynbee Tile embedded in the street. But what's the meaning on these mysterious insta