1) Orchids are one of the largest families of flowering plants, with over 25,000 species.

2) The musical "The Phantom of the Opera" has been running in London's West End since 1986, making it the longest-running musical in history.

3) The ongoing Rohingya crisis in Myanmar has led to the displacement and persecution of the Rohingya people, drawing international attention and efforts to address the human rights violations and provide support to those affected.

4) The Great Barrier Reef in Australia is the largest living structure on Earth and can be seen from space.