1) The Mona Lisa, painted by Leonardo da Vinci, is one of the most famous and valuable artworks in the world.

2) The Treaty of Versailles, signed in 1919, officially ended World War I and imposed heavy penalties and reparations on Germany.

3) The Bora Bora island, located in French Polynesia in the Pacific Ocean, is renowned for its stunning turquoise lagoons, white sandy beaches, and luxury resorts. It is a popular destination for honeymooners and those seeking a tropical paradise getaway.

4) The global response to climate change includes the Paris Agreement, an international treaty aiming to limit global warming and strengthen countries' efforts to address climate change through mitigation and adaptation strategies.