How the city works. From water supply to transport

Where did the water come from in my house? How did people communicate before the appearance of mail, phones and the Internet? How are the roads sprinkled so that they are not slippery? How do light bulbs light up in my house? We live in huge cities where you can easily get lost. This book is about how the city and our house are arranged in it. We will tell and show how the food was stored before the appearance of refrigerators, which made the asphalt on the roads and how to understand the bus schedule. You will visit the city heating center, learn how to preserve food, see how heating, water supply and electricity work in the house. Colorful and detailed pictures with the image of all the little things await you. Let"s go on a fascinating journey through your city and home - and you will be surprised how much curious around!
For children over 6 years old