The streets of Auckland, New Zealand were filled to the brim as the annual Boobs on Bikes event took place, with porn stars parading topless and handing out vouchers for X-rated DVDs.

The event, which was held to promote an erotica show in the city and promote freedom of expression, had veteran adult entertainer Nina Hartley, 51, who has appeared in 802 adult flicks, as one of its participants.