Although the construction increased control over flooding, the volume of water held by the dam increased the number of earthquakes.
The Western Sichuan region of China was already an earthquake-prone area, but since the dam was constructed, it actually increased the number of geological disasters.
China is the world's largest producer of steel. The country accounts for 57% of the world's production.
The European Union is the second largest producer and India is the third largest producer. Other major global steel producers are: Japan, USA, Russia, South Korea and Turkey.
The leading social network is Facebook with 2.7 billion active users.
In second place is YouTube (2 billion) followed by Instagram (1.15 billion), LinkedIn (766 million), TikTok (689 million), Twitter (330 million), and Snapchat (294 million).
