World Records

Explanation: The Great Wall of China stretches over 21,000 kilometers and is the longest wall and defensive fortification ever built.

Explanation: The Mariana Trench in the Pacific Ocean is the deepest point on Earth, reaching approximately 11,034 meters at Challenger Deep.

Explanation: The cheetah is the fastest land animal, capable of reaching speeds up to 120 km/h (75 mph) in short bursts.

Explanation: The Blue Whale is the largest known animal ever to have existed, reaching up to 33 meters in length and 200 tonnes in weight.

Explanation: The Burj Khalifa in Dubai, UAE stands at 828 meters (2,717 ft) and is the tallest man-made structure in the world.