Ornamental “exuberance” of Indian designs

 

What explanation can you offer in order to justify the ornamental “exuberance” of Indian designs? You don’t need to research or name these particular buildings.
https://books.google.com/books?id=fpfTAgAAQBAJ&newbks=1&newbks_redir=0&lpg=PP1&dq=indian%20architecture&pg=PP1#v=onepage&q=indian%20architecture&f=false
https://books.google.com/books?id=ajgImLs62gwC&newbks=1&newbks_redir=0&lpg=PP1&dq=Michell%2C%20George.%20The%20Hindu%20Temple%3A%20An%20Introduction%20to%20Its%20Meaning%20and%20Forms&pg=PA3#v=onepage&q=Michell%2C%20George.%20The%20Hindu%20Temple%3A%20An%20Introduction%20to%20Its%20Meaning%20and%20Forms&f=false

The stupa

Hindu temples