I see that Cirque is offering a rigging apprenticeship for one of the tent shows. This is not an internship and you must already have rigging experience. Might be a cool opportunity.
https://www.cirquedusoleil.com/careers/talent/f8f1b1d1-0148-4fd0-b368-13ed67012484
https://www.cirquedusoleil.com/careers/talent/f8f1b1d1-0148-4fd0-b368-13ed67012484