(CNN) Cities across the world on Saturday marked Batman Day by flashing the Bat Signal across buildings and into the night sky, a nod to the Caped Crusader on his 80th birthday.

Fans of the DC Comics superhero spotted his famous distress call at 8 p.m. local time in Melbourne, Tokyo, Johannesburg, Berlin, Rome and London, among other major cities.

Here's what it looked like:

New York

New York City is often called "Gotham," after all. The signal was seen on the Domino Sugar Refinery in Brooklyn.

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