Relax, you’re in Las VegasBy Juliet Pennington, Boston GlobeMay 6, 2018 at 11:45 amFor many people, being suspended 550 feet off the ground in a glass-enclosed pod would produce a state of panic, but for me it brought on a state of zen. Of course, the soothing music being piped into my headset and gentle voice guiding me into a variety of yoga positions inside the world’s tallest Ferris wheel, the High Roller, helped.Welcome to Las Vegas, where anything — and everything — is possible, including relaxing. On a recent visit, I indulged in a variety of activities that left me feeling calm. My instructor for the observation wheel yoga class kept my mind focused and my body somewhat pliable. The hour-long classes cost $75 per person for up to six people in a pod.