In factories, newly manufactured aircraft are often coated with a special green protective paint, not for aesthetic or stylistic reasons.
- Excavating a “water tomb” 3,500 meters high, China uncovers a massive treasure mine, revealing secrets of the Silk Road!
- The only country in the world where people have no surnames, and everyone is named following a special formula!
- Not cow’s milk, this is the richest source of calcium, promoting strong bones, good for eyes and cardiovascular health
- There are many wild animals in the African savanna, why have the indigenous people never tamed them?
