Explanation

The Great Wall of China was built during the reign of Qin Shi Huang.

He is the First Emperor who united China.

Initially constructed around 221 BC.

The wall was created as a defense against the Mongols.

The length of the Ming Great Wall is 8,851 km (5,500 mi).

The official total length of the Great Wall is 21,196 km (13,170 mi).

Explanation

Who Built the Great Wall?

Qin Shi Huang, also called the First Emperor, united China.

Chinese created this wall as a defense against?

Mongols

When great wall of china was made ?

221 BC,

The Ming Great Wall's Length:

8,851 km (5,500 mi)

The official length of the Great Wall is

21,196 km (13,170 mi).

Explanation

China is the highest producer of gold in the world.

It accounted for around 10 percent of total global production.

Other major gold-producing countries include Russia, Australia, Canada, and the United States.

Explanation

China has developed the world's first oyster-inspired "bone glue" capable of fixing fractured bones in minutes, with tests showing it can bond fractures in 2–3 minutes and is fully biodegradable, dissolving naturally within six months.

This bone can repair broken bones in minutes.

This groundbreaking biomaterial is designed to revolutionize orthopedic treatment by eliminating the need for metal implants and second surgeries.

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Explanation

China has developed the world's first oyster-inspired "bone glue" capable of fixing fractured bones in minutes, with tests showing it can bond fractures in 2–3 minutes and is fully biodegradable, dissolving naturally within six months.

This groundbreaking biomaterial is designed to revolutionize orthopedic treatment by eliminating the need for metal implants and second surgeries.

***

Explanation

China has successfully completed the construction of the Tianshan Shengli Tunnel, which is now recognized as the world's longest Expressway Tunnel. 

It's construction was completed in 2025.

The Tianshan Shengli Tunnel holds the record as the longest expressway in the world, stretching over 300 kilometers. 

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Explanation

China has successfully completed the construction of the Tianshan Shengli Tunnel, which is now recognized as the world's longest Expressway Tunnel. 

It's construction was completed in 2025.

The Tianshan Shengli Tunnel holds the record as the longest expressway in the world, stretching over 300 kilometers. 

*****

Explanation

The official total length of the Great Wall is 21,196 km (13,170 mi).

The Great Wall of China was built during the reign of Qin Shi Huang.

He is the First Emperor who united China.

Initially constructed around 221 BC.

The wall was created as a defense against the Mongols.

The length of the Ming Great Wall is 8,851 km (5,500 mi).

Explanation

China launched the advanced aircraft carrier named "Fujian" on June 17, 2022.

It is China's most advanced warship to date, the world's first conventionally powered carrier with electromagnetic catapult technologies, and is expected to enter service in the near future.

Explanation

The first COVID-19 case was reported in Wuhan, a city in Hubei province, China.

It emerged in December 2019, likely linked to a seafood market.