That sounds like an incredible experience! The Sphere in Vegas is truly a marvel, and "Postcard from Earth" has received great reviews for its stunning visuals.
As for U2, they’ve been performing at the Sphere, and many fans have praised the immersive experience of their shows there. If you're looking for opinions or experiences from others who have seen them, there are plenty of discussions online about the concerts. Have you considered going to see them live?
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