There’s a deeper meaning that lies under the layer of circus acts that plays out onstage in Mystère at Treasure Island, meaning that runs parallel to the acrobatics and athleticism of the Cirque du Soleil performers. While Mystère is a stunning theatrical display of dreamlike imagery, the production reveals a strength and determination within the human spirit to get through life situations that might seem impossible. Just look a little closer and find the symbolism weaving its way throughout the longest-running Cirque show in Las Vegas, which celebrates its 21st anniversary on Dec. 25 and its 10,000th performance on Dec. 27.