The sound emission may be caused by wind passing over dunes or by walking on the sand.
== Zunanje povezave ==* Walkaround Il-28 Beagle for Hodynskoye pole, Moscow, Russia* "Russia's New 2-Jet Bomber" by Chamlers Goodlin, one of the earliest articles printed in the US on the Il-28 with cutaway drawing, published 1951* Creative Commons photos of Il-28 on Geolocation.ws