1) The Eiffel Tower can be 15 cm taller during the summer due to thermal expansion.

2) The word "pizza" contains two vowels: I and A.

3) Will Smith is an American actor, rapper, and producer known for his roles in films such as "Men in Black," "Independence Day," and "The Pursuit of Happyness." He has achieved success in both the music and film industries and has received numerous accolades for his work.

4) The insurance industry is one of the oldest industries in the world, with roots dating back thousands of years.