Artist Stephen Chen talks with former mayor Mary Reeves about his work “Best in Show” during Tradex’s 20th Anniversary celebration on Thursday. The painting was presented to commemorate the 20th anniversary of Tradex, and features a scene from the Lower Mainland Dog Fanciers of BC Dog Show, which is one of the many gala events held at Tradex each year. Tradex has been host to more than 1,000 events and 5 million exhibitors and guests.