At night, you can see some daylight through the walls of The Shrine of the Silver Monkey room.
The red Jaguar is actually a mountain lion, which is also called a cougar. The main difference between the two cats are the colors of their fur coats. The jaguar is mostly black in color while the cougar is more tan. Jaguars are also called black panthers. They have similar facial features, but the nose on the jaguar gives it away. If you pay attention to the details of the nose and mouth of the "jaguar," they're clearly those of a cougar.
The red jaguar found in the pit is actually a mountain lion.
The goal is to revive an entire civilization. That would mean thousands of people re-inhabiting their homeland, which would likely have been filled by other peoples; thus, war would likely erupt next.