Stepwells are wells with steps descending down to reach water. They are found commonly in western India and other arid regions, and often have significant architectural features. Stepwells served both practical purposes of water collection as well as providing cooler gathering places. Some notable stepwells include Chand Baori with its 3,500 steps, the ornate Rani Ki Vav, and Agrasen Ki Baoli which was excavated to reveal its full structure. Stepwell construction occurred from at least 600AD and they demonstrate ancient water management strategies still applicable today.