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Located about 60 km southwest of Seoul, this eco city has been planned around a central park and designed so that every resident can walk to work in the business ____.

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The waste ____ system here is also innovative. There are no rubbish trucks or waste bins in the street.

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Cities in poorer countries often lack basic ____. Without it, they are unable to function properly as cities.

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The ____ of living in some places can be very high. Prices in London are particularly exorbitant.

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Urban ____ is prevalent in most cities. Everywhere you go there are building sites, pedestrian precincts, blocks of flats, and housing estates spreading into the countryside.

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This safe, ____ friendly city is like a paradise for its inhabitants who can enjoy the highest quality of life.

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With tonnes of _______ waste discarded directly into fields, lakes and ponds has become a serious pollution problem in our country.

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The roads are terrible. I'm always getting ____ in traffic.

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Everything's a bit more expensive here and property prices are extremely high. A lot of people have no choice but to live in the ____ and commute in to work.

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It's much safer for cyclists to get around these days with cycle ____ everywhere.

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Exhaust ____ from cars are responsible for much of the air pollution in cities.

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Many factories still allow ____, such as toxic waste, to flow into our rivers

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Pollution and heavy traffic are common problems in ____ cities.

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I think living in a city has a number of _____ such as traffic jams, traffic accidents, noise pollution , visual pollution and water pollution.

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I enjoy going to the city centre at weekends, though it is always ______ with people .

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Formally known as Saigon, Ho chi Minh city is a metropolis which is still young but very _________.

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Coal and fossil fuels are examples of __________ energy.