With the daily smoking rate of Hong Kong’s population at a record low, one might think public health advocate Antonio Kwong Cho-sing could not be any happier as head of the Hong Kong Council on Smoking and Health, an anti-smoking activist group. But he now faces a new challenge that has reared its ugly head: e-cigarettes.

“If I have the power to make it work, I wish Hong Kong can be a smoke-free society, Kwong says. “Is this a far-fetched idea? I personally don’t really think so.”