Issaouane Erg confined to basins. Sand in the Issaouane Erg, below the level of the sand dunes, has accumulated to a depth of 20 to 30 meters. It has barchan dunes as well as star dunes of 300 to 430 meters high. The presence of both barchan dunes (which form due to unidirectional winds) and star dunes (which form when winds from various directions deposit sand) "suggests that wind regimes have changed over time". NASA's "Earth Observatory" notes all three types of erg dunes are present in the photos of the Issaouane Erg taken from the International Space Station: stationary mega dunes,
This Is What the Edge of Your Seat Was Made For This Is What the Edge of Your Seat Was Made For This Is What the Edge of Your Seat Was Made For is the first release by Bring Me the Horizon, released on 25 September 2004, through Thirty Days of Night Records in Australia and on 30 January 2005, through Visible Noise records in the UK. "This Is What the Edge of Your Seat Was Made For" was released on 25 September 2004 in the US through Earache Records. The original pressing, on Thirty Days of Night Records, was a strict run of only 1,000 copies. Its title comes from