Tanks also serve as reservoirs for agricultural purposes. Some temple tanks consist of tiny shrines at their Middle. The main resources utilised were wood and terracotta, but architects steadily moved on to brick and stone, especially sandstone, granite, schist, and marble. No mortar was used in the more mature temples https://newschronicle24.blogspot.com/2025/01/exploring-sacred-spaces-hanuman-mandirs.html