September 11, 2008 1:46 am
[Singing sands] at times fill the air with the sounds of all kinds of musical instruments, and also of drums and the clash of arms—Marco Polo, 13th Century Explorer
Certain sand dunes, particularly when disturbed, will occasionally emit a loud, low-pitch rumble that lasts up to 15 minutes and can be heard up to 6 miles (10 kilometers) away. Find out why: http://sfgirl-thealiennextdoor.blogspot.com/2008/09/singing-sandsnatures-boom-boxes.html. Nature is SO COOL!