# China's government tries to surpress uncertainty
Tomorrow (Thursday 1st of October) will be celebrated the 60th anniversary of the People's Republic of China on Tienanmen square. You think that this kind of gigantic event is constrained by the same uncertainty of the weather than your garden barbecue, well this is not true anymore. To know more you can read this New York Times article about how China's government is trying to control the weather by using technology to make "pregnant clouds" give birth of rains before their arrival on Beijing. Chemical rockets and plane full of dry ice, salt and silver iodide are being used to that purpose.