1) The construction of the Great Wall of China began in the 7th century BC and was completed over several centuries, spanning thousands of miles.

2) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

3) Pizza, a popular Italian dish, originated in Naples and is now enjoyed worldwide. Traditional Neapolitan pizza features a thin, chewy crust topped with San Marzano tomatoes, mozzarella cheese, and fresh basil, cooked in a wood-fired oven. It has become a global culinary icon, with countless regional and international variations, making it one of the most beloved and versatile foods globally.

4) DNA, the building block of life, can store incredible amounts of data. It is estimated that one gram of DNA could potentially store about 215 petabytes of data.