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They stand as objects of beauty, ingenuity and pride for people that built them and the whole humanity. Here you can find the list of the most famous bridges in the world.

In order to preserve food or to cool themselves when the weather is too hot, people tried to find the way to lower the temperature. In the beginning they used the ice and snow from nature but in time they found the way to lower the temperature artificially. Read more about history of refrigeration.

Photography appeared in 19th century but its roots originate from 5th century BC. Here you can learn more about history of photography including the discovery of the principle of the camera obscura.

The first microwave oven appeared in the middle of the 20th century and it came a long way since then - from expensive and bulky early models to cheap and practical modern kitchen appliance in almost every home.

Pencils and pens are very old writing tools (which were first used some 5000 years ago) but are still used today despite the electronic technology that we use for communication. Here you can read more about history of pencils and other writing instruments.

Fast food, at the first glance, looks like a product of modern society and fast life but we eat fast food for almost two millennia. Even Ancient Romans had their street vendors that sold fast food to them. Read about history of fast food.