Smoking Zones In Japan.(Picture)

Have you seen how the smoking zones are designed in Japan?
Here is one of the Smoking Zones in Japan which I come across today on Google +
…
I think this is a amazing and awesome idea.
Someone comments that “It would be cool to install smell sensors in the restaurant and automate the system to capturefarters and remove the
smell on high power vacuum mode.

 ”WHEN WOULD SUCH COME TO NAIJA??