An establishing shot of the technologically advanced tower is shown twice. The shot is flipped the second time it's shown.
When Quinn and Arturo are discussing if the syzygy causes the earthquakes, their mouths are not moving. This is mostly covered up by the trees, but it's clearer by the end of Arturo's line.
At the 18 1/2 minute mark as Quinn walks to find Wade in the underground city a boom mic is visible.