May 1 is Labour Day in Hungary, which we celebrate by not working, obviously. Oh, and flying jetliners as low as possible above the Danube. Here's the pilot's view from the cockpit of Wizzair's Airbus A320 flying over bridges and the Parliament.
If you happen to live less than half a mile from the river and a public holiday is on a Thursday, you don't necessarily want to be woken up early in the morning by the sounds of radial, turboprop or jet engines flying above you. That would be me.