In Ethiopia, for instance, WaterAid is supporting several spring-fed gravity driven projects in the South of this very dry nation, while in the North, several hand-dug wells are underway.

• 举例说，在埃塞俄比亚，“水援助组织”支持几个引水灌溉项目在这个极度干旱国家的南方；同时在北方，几个手挖井也在进行中。