Cars have a long and important history. It is difficult to say exactly when the first car was made, (1) _______ many believe that Karl Benz built it in 1885. In the early 1900s, cars became more common and available to the public.

One of the first cars that ordinary people could (2) _______ was the Model T Ford, produced by Henry Ford in the United States. He developed a method to manufacture a large number of cars quickly and (3) _______ a lower cost. This new system changed the way people produced goods. By 1927, Ford had sold 15 million cars, making automobiles more (4) _______ to many.

Today, the car industry provides employment for millions of people around the world. However, as technology and society go on (5) _______, the future of cars remains uncertain, and changes in transportation are expected.

1. On the evening of 26 September 2019, the streets of Geneva, Switzerland, were completely dark. This was not due to an electricity failure but was a planned event to allow people to go outside and observe the stars. In cities, this is often difficult because of light pollution.

2. Light pollution occurs when artificial lights from streets and buildings make the night too bright. This causes several issues. Animals may not sleep properly because they believe it is still daytime. Birds that migrate in autumn use the moon and stars to navigate, but too much light makes this difficult. Additionally, many birds and insects fly towards bright lights, crash into buildings, and die.

3. Light pollution also negatively affects humans. It can disturb sleep and cause headaches. Furthermore, it prevents people from seeing the night sky as previous generations did. Many people today have never seen the Milky Way, which is one of the most remarkable sights in the world.

4. Fortunately, we can reduce light pollution. We should turn off lights when we do not need them and use curtains to block light. If we do this, we will be able to enjoy the beauty of the night sky again.