|Rani ki vav is an intricately constructed stepwell situated in the town of Patan in Gujarat, India. It is located on the banks of Saraswati River. Rani ki vav was built as a memorial to an 11th-century king Bhima I by his beloved wife queen Udayamati. It was added to the list of UNESCO's World Heritage Sites on 22 June 2014. Stepwells are a distinctive form of subterranean water resource and storage systems on the Indian subcontinent, and have been constructed since the third millennium BC. Rani ki vav was built in the complex Maru-Gurjara architectural style with an inverted temple and seven levels of stairs and holds more than 500 principal sculptures.