the.com/dune
a mountain that walks, grain by grain, faster than empires fall
slow marchsome dunes migrate 30+ meters per year
they singavalanching sand booms audibly at 100+ decibels
tallestCerro Blanco rises over 1,000 meters in Peru
spice fictionHerbert based Arrakis on Oregon's coastal dunes
star shapeddunes with shifting winds grow radiating arms