1) The ongoing conflict in Syria, which began in 2011, has resulted in a humanitarian crisis, displacement of millions of people, and international efforts to bring about a resolution and provide aid to those affected.

2) The word "elephant" contains three vowels: E, A, and E.

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

4) The Cannes Film Festival, held annually in France, is one of the most prestigious film festivals in the world.