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The world's ten coldest cities
As we all know, the Earth's Antarctic and Arctic are extremely cold regions with snow and ice. Because we are in different geographical locations, the climate of each region is different, and its environment and the change of weather is very different. Do you know what are the coldest cities in the world? -
The world's largest bird's nest building: The proposed building bird's nest has 100 compartments
As we all know, swallows work very hard when building their nests, and their nests must be built with two materials, that is, mud and branches, and it is not easy to get these things into the nest and then mix them together. So do you know what bird built the largest nest in the world? In the sub-semi-arid plains of South Africa and Namibia, the sparrow-like looking, hard beak mimic bird, built the world's largest nest building. -
The world's largest underwater waterfall
The world's largest underwater waterfall is the Denmark Strait Falls, the drop reaches 3505 meters, the flow per second equivalent to 25 Amazon River, but hidden in the bottom of the sea no one can see, come and learn about it. -
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World's longest river ranking
Do you know which is the longest river in the world? -
The world's smartest invertebrates
The octopus is known as one of the most intelligent invertebrates, with a strong learning ability. -
The world's highest bicycle speed of 333 km/h, Ferrari can not catch up
Today's transportation is well connected, more and more transport, people can always choose the right transport, bicycle as a primitive transport, because he can shuttle in the streets and alleys, very convenient, so it has not been eliminated. Do you know how much the world's fastest bicycle speed? The world's highest bicycle speed was created by Frenchman François Kissi driving a rocket bike, which was said to have reached a maximum speed of 333 km/h, setting a world record for bicycle speed and becoming the fastest bicycle in the world, leaving Ferrari far behind. However, the fastest speed could have been 144 km/h on a human-powered bike, set by a Canadian named Eta. -
The world's most difficult code to decipher: no one has been able to solve it so far!
Speaking of passwords, we may associate with a very long string of numbers, but in fact more than that, many passwords in history are very peculiar, and even passed down for a hundred years and a thousand years can not be solved. The world's most difficult to decipher code, it is a sculpture work, located on the square of the United States Central Intelligence Agency, so far no one can solve it, interested friends to take a look! -
The world's largest truck tire
I believe that we will be on the road all kinds of small cars, the world's largest truck is produced by the United States Cote Carter 797b mining truck, which is definitely a veritable big block, the car looks like a moving hill. Its overall height can reach 7.6 meters, and a tire alone is already like a two-story building so high, can reach 4.03 meters -
The world's two smallest magical volcanoes
The two smallest magical volcanoes in the world, one is the Busca volcano, which is located near the village of Redocchio in the province of Foli, Italy; the other is the Pequenita volcano in Colombia, let's take a look at it. -
The world's only "rotatable" island: the rotation cycle of 24 hours a week
There is a very amazing island where there is no beauty and no wonder. Its peculiarity is that this island can rotate by itself, its rotation cycle is 24 hours a week, do you know where it is?
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