They took a screenshot and used only the finest photoshop tools to put red paint on it:

This fine artistic piece is the location of the next fly-in event. Just off Yeager, heading towards Wright. Exquisitely captured by Chancey21 (primary organiser of this weeks event).

Starting Saturday at 22:00 UTC time:

USA:

Eastern: 17:00
Central: 16:00
Mountain: 15:00
Pacific: 14:00

Europe:

UK: 22:00
France/Germany/Spain/Italy/etc: 23:00
Finland/Ukraine/etc: 00:00

(I think I got all/most of those right, you may want to double check.)

These events can often exceed 2 hours at a time, so don't worry about arriving late.

Also:

Join the SP fly-in/events discord server

We often use the voice chat in place of the build-in chat as sometimes ATC can be enforced.

Also, this will be the first time I've participated in a MP event for over a month now, so I may whip out the screencast and record some of the event.

edit: there is also apparently a STOL competition to land on the roof of the grey building, although I'm not sure what the prize is