No-car zones
Many people have cars in the city.But pollution is a problem because of the traffic.Nowadays some city centres around the world don't have cars.These no-car zones for people,bicycles and public transport only.
London
Eight million people live in the centre of London and another two million people go to work there every day.The city centre is very noisy with hundreds of cars,buses and taxis,but there are also a lot of beautiful parks with free music concerts. At lunchtime and after work,many people go there for a break.