There's been an abandoned warehouse near my place that i've been wanting to check out for years now. It has a whole bunch of 'do not tresspass' signs so I never bothered checking it out until now. Sent Sparkie up for a flight around the site, as I got close one of the doors on the factory side swung open, kind a spooky if you ask me. I added an open door sound effect to the footage, let me know what you think.