Sanaa Ibb Al-Hudaydah Aden
Oman Qatar Saudi Arabia Somalia
2.1 million 21 million 210 million 210 000
Cape Peninsula Horn of Africa Sinai Peninsula Cap-Vert
$19 000 $9 000 $900 $29 000
Gobi Desert Sahara Desert Arabian Desert Dasht-e Kavir
Aden Ibb Al-Hudaydah Sanaa
Red Sea Persian Gulf Persian Gulf Arabian Sea