Original sentence: (Easter Island is also known as Rapa Nui and Isla de Pascua.)  The imitation Moai are made of the same material as the Stonehenge II stones.There are also two imitation Moai, or Easter Island statues, at the same site
Edited sentence: The imitation Moai are made of the same material as the Stonehenge II stones.There are also two imitation Moai, or Easter Island (Rapa Nui/Isla de Pascua) statues, at the same site