The Gilf Kebir in Egypt is the best "martian" landscape on the earth

I have it seen in 2002, 2003, 2004, 2006 and 2010

Norbert Brügge, Germany

Tour 2002: Gilf Kebir/ Silica/ Great Sand Sea/ White Desert/ Black Desert
Trekking-organizers: HAUSER Exkursionen, Germany, in cooperation with Zarzora Expedition, Egypt
Time: 02.11. - 20.11.2002

Tour 2003: Large Dune "Abu Muharrik"/ Cave Djara/ Djebel Uweinat/ Clayton Craters/ Gilf Kebir/ Silica/ Great Sand Sea/ White Desert
Trekking-organizers: NOMAD, Germany, in cooperation with PanArab Tours, Egypt
Time: 01.11. - 22.11. 2003

Tour 2004: "Impact" crater field GKCF/ Gilf Kebir/ Silica/ Great Sand Sea/ White Desert
Trekking-organizers: HAUSER Exkursionen, Germany, in cooperation with Zarzora Expedition, Egypt
Time: 31.10. - 18.11.2004

Tour 2005: Erg Ubari/ Crater Wau-an-Namus/ Jabal Bzimah/ Kufra Oasis/ Jabal Arkenu/ Jabal Uwaynat
Trekking-organizers: SARAFEA, Germany, in cooperation with Safari Tourism Services Co., Libya
Time: 01.10. - 15.10.2005

Tour 2006: Wadi El-Hitan/ Large Dune "Abu Muharrik"/ Cave Djara/ White Desert/ Djebel Uweinat/ Clayton Craters/ Gilf Kebir/ Silica/ Abu Ballas
Trekking-organizers: SUNTOURS, Germany, in cooperation with PanArab Tours, Egypt
Time: 18.11. - 09.12.2006

Tour 2010: White Desert / Abu Ballas / Eight Bells / Clayton Craters / Djebel Uweinat / Wadi Sura / Wadi Abdel Malik/ Silica / Great Sand Sea / Siwa / Wadi Hitan
Trekking-organizers: IKARUS Tours, Germany, in cooperation with Aegyptus Intertravel, Egypt
Time: 29.10.- 14.11.2010