The recent news of an unleashed Rottweiler dog attacking a toddler has prompted local authorities to tighten regulations on owning oversized dogs and promote responsible pet ownership. To help dogs behave better, a new generation of pet parents is sending their furry friends to school for training. How can we better control pet dogs in public? / Quirky profile photos show work moods (18:00). On the show: Heyang, Li Yi & Josh Cotterill