1) The Great Wall of China is a UNESCO World Heritage site and one of the most iconic man-made structures in the world. It stretches over 21,196 kilometers (13,171 miles) and was constructed to protect the Chinese empire from invasions during ancient times.

2) The average car has about 30,000 parts.

3) The push for gender equality and women's empowerment has gained momentum worldwide, with increased advocacy for equal rights, representation in leadership positions, and efforts to address issues such as gender-based violence and discrimination.

4) The game of basketball was invented by Dr. James Naismith in 1891 and has since grown into a global sport played at both amateur and professional levels.