1) The game of rugby originated at Rugby School in England and has since evolved into different versions, including Rugby Union and Rugby League.

2) The New York Stock Exchange (NYSE) is the largest stock exchange in the world.

3) The process of photosynthesis, performed by plants, algae, and some bacteria, is responsible for producing the oxygen we breathe.

4) The Great Rift Valley is a geological feature that stretches over 6,000 kilometers (3,700 miles) from Lebanon to Mozambique. It is known for its diverse landscapes, including deep lakes, volcanic mountains, and fertile valleys, and is considered a significant site for the study of Earth's tectonic activity.