I know which place you're talking about, actually! It is cool, but I don't think it'd be practical to move such a large amount of cosplayers outside.
(Edit: Whoops, totally didn't realize I was double posting... sorry.)
DeviantART // Tumblr // Facebook
- Fancy Mewtwo Gijinka (Cowslip Gijinka): 33% (Wig Styling) Otakon 2014
- Secret Cosplay (???): 100% (Ready!) Otakon 2014
- Magic Armor Link (LoZ: Twilight Princess): 15% (Patterning) Katsucon 2015
- Emperor Lelouch (Code Geass): 2% (Planning) Katsucon 2015