Rainwater harvesting

thumb|Chand Baori, in the village of [[Abhaneri near Bandikui, Rajasthan is one of the deepest and largest stepwells in India]] thumb|right|The Rani ki Vav, Patan, Gujarat thumb|upright|A multi-storey stepwell in Mahimapur Village, Amravati District, Maharashtra Stepwells (also known as vav or baori) are wells, cisterns or ponds with a long corridor of steps that descend to the water level. Stepwells played a significant role in defining subterranean architecture in western India from the 7th to the 19th century. Some stepwells are multi-storeyed and can be accessed by a Persian wheel which is

accumulation of rainwater for reuse

city that has the capacity to mainstream urban water management into the urban planning policies and designs

rainwater harvesting technique

historic site in Aden, Yemen

container used to collect rainwater

Desert irrigation by floodwater dam

water container for use in irrigation

Sri Lanka’s reservoir and canal system