Hinduism (Sanatan Dharma) is world's oldest Civilization having history over 12000 years; had influence almost across the World till western Abrahmic religions formed some 2500 years back which are rejecting/destroying great ancient human heritage wherever they spread!
See 5000+ years Hindu Devata Vishnu's temple found underwater near Bali, Indonesia. Local call this new Scuba diving spot at Pemuteran Beach as "Underwater Temple Garden – Bali"
Don't be surprise! All over East Asia you will find 5000+ to 1000 years old Hindu/Buddhist ancient temples Angor wat (Combodia), Indonesia, Vietnam, Thailand, Myanmar, Korea, Japan, China, etc.
Also it is now proved that Indian & Arabic Ocean Sea level has risen over 500 meters in last few thousand years submerging Ram-Setu bridge between Srilanka & India, Sri Krishna's Dwaraka city at Gujarat India, Bali Islands and coastal areas near Oman/Quatar, etc.
See beautiful underwater 5000 + years old Vishnu Temple at Bali