Valley of Ten Thousand Smokes The ash-filled valley covers a area. The ash can be up to deep. In places deep canyons have been cut by the River Lethe, allowing observers to see the ash flow strata. Since the ash has cooled, most of the fumaroles are now extinct and despite its name the valley is no longer filled with 'smoke' (i.e. steam). Vegetation still does not grow in the valley. The signs of volcanic activity are still visible on nearby hills. Katmai's most recent eruption was in 1927, but there have been non-eruptive events as recent as 2003. The Alaska Volcano Observatory still monitors
10 000 Hz Legend 10 000 Hz Legend 10 000 Hz Legend is the second studio album by French music duo Air, released in France on 28 May 2001 by Virgin Records and in the United States on 29 May 2001 by Astralwerks. On this album, tracks are longer and more electronic-oriented than on their previous records. These experimentations find the duo expanding their capacities and working with other artists including Beck and suGar Yoshinaga of Buffalo Daughter. The album artwork was produced by Ito Morabito and features Monument Valley in its cover image. "10 000 Hz Legend" received generally favorable reviews from critics.