[Drango]

Don’t know what happened. But every so often a vault explodes and a manhole cover goes airborne. Big pucker factor, but not a big deal. Calm down folks.

[Dog]

It was a vault.

[Disciplinemisanthropy]

id have guessed SF residents can lose the ability to pucker overnight

[UCANSEE2]

“But every so often a vault explodes and a manhole cover goes airborne.”

Yeah. Probably thousands of them going off every night.
But what was this explosion?

: )

[Dumpster Baby]

Don’t know what happened. But every so often a vault explodes and a manhole cover goes airborne

I've heard that New Yorkers are so used to manhole covers blown into the air that they nudge each other and say "heads!" "tails!"