Complex sentence: The song was filmed at the ruins of the Incan city of Machu Picchu in Peru, making "Enthiran" the first Indian film to be filmed in Machu Picchu.
Split into simpler sentences: The song was filmed at the ruins of the Incan city of Machu Picchu in Peru. This led to "Enthiran" becoming the first Indian film to be filmed in Machu Picchu.