Simplify the following text for a Grade 13 native English-speaking person.
Original: Survivor : Guatemala â '' The Mayan Empire , commonly referred to as Survivor : Guatemala , is the eleventh season of the American CBS competitive reality television series Survivor .
Simplified: Survivor : Guatemala - The Mayan Empire ( also known as Survivor : Guatemala ) was the eleventh season of the American reality show Survivor , and was set inside of the ruins of the Maya civilization .