old structure at the entrance of adalaj ni vav (stepwell) or rudabai stepwell. built in 1498 by rana veer singh

old structure entrance adalaj vav stepwell rudabai built 1498 rana veer singh ahmedabad gujarat india heritage ancient water step indian stone history asia architecture underground ornate pillar craftsmanship rani building world culture site unesco hindu tourism patan carved carve art temple monument ranikivav fortified skill ornamental beautiful tradition staircase attraction archaeology ruin incredible gujarati walls reservoir intricately five stories deep stepwell