Isn't It a Bad Air Quality in the World?

There has been a push chair that's been developed for babies. But surely doesn't work in chinese, in mandarin, does it can't do so why do they call it that maybe as us? A hotel called the cordis honka filters all the air going into the hotel like an aeroplane. And i think people are now trying to make face masks a bit trandy. They all look the same, don'thin. I gus they're black or white. There are startups in china and in the u.K,. that are designing pollution masks for up to a hundred dollars at the moment. Can you get them to look like your own face, so