Singing Sand Dunes

You're standing at one of fewer than thirty places on Earth where the dunes reliably sing. This guide starts with the boom a British army officer, Ralph Bagnold, heard in the Egyptian desert nearly a century ago, a sound so eerie that local guides blamed sirens and buried monastery bells. It follows Bagnold's years of measuring grains and slopes, work that led him to found the modern science of blown sand in 1941. Listen for the low hum as you step down the dune's face, the same drone he spent a lifetime trying to explain.