can i go as a visitor, and where is this event!
you certainly can
From 1st to 3rd of May, everyday from 13:00 to 21:00, Wukesong Hi Park basketball theme park cultural square will be filled by happiness and joy from the people who come to join Feige Vintage Fair.
http://www.thebeijinger.com/events/2015/apr/may-feige-vintage-fair-0