Screen sharing on Discord with Wayland kinda sucks at the moment, but I believe that's moreso Discord's fault for not updating Electron or something along those lines.
If you really need screenshare there were some options with xwaylandvideobridge, a custom client, or just running it via the browser
Narita is such a weird airport. Just in front of RWY 34R there's a shrine, and between taxiway K and L there's just someone's farm. There's also a ridiculous amount of golf courses around the airport, can recommend trying to count them all