Every hour, hundreds of tourists from all over the world with cameras at the ready gather in front of the Old Town Hall to enjoy a fascinating mechanical performance which in the Middle Ages was considered one of the wonders of the world. The Prague Astronomical Clock, which for 600 years has been one of the greatest treasures of the city, still amazes people with its procession of... Discovered by Shelly & Scott @ TheAmateurAdventurer at Prague Astronomical Clock, Prague, Czech Republic