- Browser and Version: Android app
- Overview of the bug: If I long-press a Triumphal Arch to toggle "build mode", move the arch to another area where it can be placed then cancel, the top of the Arch "disappears"
- Screenshots: video here: https://photos.app.goo.gl/piWicRbym5QygBWf6
- How often this occurs: Always
- Urgency: Very, very low
- Preventative Actions: None