Look at the notes below.Some information is missing.You will hear an introduct

Reporter:
    By the year 2025, more than 5 billion people — half of humanity — will live in cities. Unless we make better use of the bicycle in the future, those cities could be very congested places. This simple machine is one of the most successful consumer products ever made. The basic design has been modified, of course, and modern bikes have many special features. But fundamentally, the classic bicycle design hasn’t changed very much in the last 100 years. As a product, the bike has got everything. It’s economical and reliable. And it’s ecologically friendly. That’s why I love it. It’s cheap to run, doesn’t go wrong, and it doesn’t harm the environment. It’s even quite comfortable. That’s why bikes are so popular. Cycling in German cities has increased by 50 percent since 1972, and in Holland, bicycles are used for about 25 percent of all journeys.. Bikes are getting lighter all the time. The lightest one is only 2. 7 kilos.