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The world's longest manual bridge: collects 2 million bridge tolls per day
There are many countries around the world that build bridges that are particularly impressive, and even in some countries there are handmade bridges. The longest handmade bridge in the world is the Cambodian Bamboo Bridge, which was built with more than 50,000 bamboo poles. -
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The world's top ten famous space satellite launch bases
Spacecraft launch sites undertake a series of important tasks such as launching satellites, manned spacecraft and space shuttles. Since the development of space science and technology for half a century, the space launch centers with complete functions and facilities have been established one after another by the major spacefaring countries. Now let's take a look at the world's top ten famous space satellite launch bases -
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World's top 10 core technologies ranking
Technology is vital for every country. In today's world, every country pays great attention to the development of science and technology industry, and only technology can bring progress. So do you know what are the top 10 core technologies in the world? -
The world's largest and oldest tree: General Sherman tree has 3200 years of age
The life span of trees will actually always exceed our imagination, just like there are trees whose existence has witnessed the growth of a nation, and the existence of such trees is valuable. Trees generally survive for a long time if they have not been exposed to natural disasters, or coveted by humans. The world's largest and oldest tree, the General Sherman tree is 3200 years old, come and learn more about it! -
The world's strongest bell tower: 300 years old and about 74.5 meters high
I believe that when it comes to clock towers, the first time we will think of the British Big Ben, towering clock towers are often the most iconic buildings in various countries, some of which carry a rich history and cultural connotations, becoming a symbol of the country. The world's strongest clock tower is located in Russia's flooded clock tower: 300 years ago, the height of about 74.5 meters -
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The world's ten deepest sea
It is well known that there are four major oceans on earth: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean and the Arctic Ocean, occupying a total area of 70%, in which a large number of plants and animals as well as mineral resources live, leaving valuable wealth to mankind. The size of each ocean varies, and the depth is shocking. -
The world's most unusual restaurant: hanging 50 meters in the air
Many people think that dining doesn't have to be in a restaurant, because the food there is not necessarily delicious, and it costs too much money, not to mention not all restaurants sell mouth-watering food. The most special restaurant in the world is well-known - the restaurant in the sky, suspended at a height of 50 meters, but it is very expensive to eat dinner, let's take a look! -
Ranking of the world's five nuclear powers
Nuclear weapons are the most powerful kind of weapons nowadays, and many countries are secretly researching continuously in the hope of developing nuclear weapons. Do you know which countries are the five nuclear powers? Only countries that are officially recognized by the Treaty on the Non-Proliferation of Nuclear Weapons as possessing nuclear weapons are legitimate nuclear weapon possessors, and there are only five countries in the world - the United States, Russia, China, France, and the United Kingdom - that are also known as the five nuclear powers. -
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The world's top ten paranormal phenomena
It is believed that science has the power to interpret everything in the world. The fact that man has achieved air flight, researched a cure for a hundred diseases, and so on have made people amazed by the great power of natural science. So what do you know about paranormal phenomena in the world? -
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The world's top ten popular pets
With modern living standards continue to improve, pets are becoming more common, in addition to our more familiar kittens, puppies and so on, so you know what pets have more people?
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