Final answer:
Cenotes in Mexico are unique and worth visiting. They are surrounded by rainforests and offer opportunities for scuba diving in warm water with no current.
Step-by-step explanation:
The word cenote means "sacred well" in Spanish. According to the video, people should visit cenotes when in Mexico because they offer a unique experience. While the statement that they were once ancient cities is false, cenotes are indeed surrounded by rainforests. Additionally, they are ideal for scuba diving and have warm water with no current.
Learn more about cenotes in Mexico