Complex sentence: In North East Sulawesi, Indonesia, there are Wawolesea Karst with a pond several meters from the beach which is formed by salty hot water fountain since Neogene period.
Split into simpler sentences: In North East Sulawesi, Indonesia, there lies the Wawolesea Karst. A notable feautre of this area is a pond several meters from the beach which is formed by a salty hot water fountain apparently extant since the Neogene period.