Usually dry gullies of Africa
Else clues• African gullies
• African ravines
• African waterbeds
• African watercourses
• Certain desert valleys
• Dried-up riverbeds
• Dry gullies of Africa
• Dry riverbeds
• Dry Saharan streambeds
• Dry watercourses
• Features of Syria and northern Africa
• Intermittent streams
• North African streambeds
• Oases, at times
• Relatives of arroyos
• Sinai streambeds
• Some ravines