Complex sentence: The popular heritage tourism attractions are Jakarta Old Town--the city center of old Batavia, the old ports of Sunda Kelapa and Paotere in Makassar where the tall masted pinisi ship still sailed.
Split into simpler sentences: The popular heritage tourism attractions are Jakarta Old Town--the city center of old Batavia. The old ports of Sunda Kelapa in Jakarta and Paotere in Makassar where the tall masted pinisi ship still sailed.