Kariz (also known as kareze or qanat) is an ancient underground channel irrigation system invented in Persia (Iran). It is a sloping tunnel that brings water from an underground source in a range of hills down to a dry plain at the foot of these hills....

A qanat (from Arabic: قناة) or kareez (from Persian: كاريز) is a water management system used to provide a reliable supply of water to human settlements or for irrigation in hot, arid and semi-arid climates. The widespread distribution of qanat...

Lines of police barred opposition voters from some polling stations Monday, and violence erupted between supporters of rival candidates, killing one person and marring the elections for Egypt's upper house of parliament.The balloting was the latest showdown between the entrenched ruling party and the Muslim...