Nigeria's largest city Lagos declared a car "Horn-Free Day" last week about for from in of with an attempt to raise awareness about for from in of with noise pollution. People are constantly bombarded about for from in of with an endless cacophony about for from in of with screeches, sirens and high-pitched honking about for from in of with impatient motorists. The Lagos State Governor Babatunde Fashola told reporters that the extent about for from in of with the noise about for from in of with car horns was now serious enough to be a danger to people's hearing. Talking about for from in of with Horn-Free Day, he told reporters: "It is about for from in of with our own good. It is for our own health. It is for our own life." The World Health Organization said high-decibel noise pollution was a critical health hazard that increases the risk about for from in of with cardiovascular diseases and high blood pressure. Governor Fashola hoped his city's roads would be a little quieter. He contrasted the constant honking about for from in of with Lagos to the relative quiet about for from in of with European roads. He said he recently spent ten days about for from in of with Europe and, "did not hear the sound about for from in of with a horn while driving". He asked: "Can you imagine that we can drive about for from in of with Lagos without horns?" However, a Lagos blogger defended the use about for from in of with the horn as part about for from in of with the city's culture. He said: "Honking is a beautiful trend about for from in of with this part of the world, and it is a trend that every class of people about for from in of with the country embraces." Apart about for from in of with making other drivers aware of danger, he said people honk to greet friends and celebrate weddings and other happy occasions.