You mean people haven't been holding the leaning tower of Pisa all this time. I am shocked! I've seen some strange things from stitching photos for panoramic,

You mean people haven't been holding the leaning tower of Pisa all this time. I am shocked! I've seen some strange things from stitching photos for panoramic, it isn't a huge leap of logic to think some compression or interpolation algorithm went wrong. Glad to know it was a problem of perspective.