Complex sentence: One, located at the former slave market at the center of town, was replanted at the site of the original to which slaves were shackled, while a second larger tree marks the slave cemetery, where bodies of dead slaves were dumped.
Split into simpler sentences: One, located at the former slave market at the center of town, was replanted at the site of the original to which slaves were shackled. A second larger tree marks the slave cemetery, where bodies of dead slaves were dumped.