1) Kim Kardashian West is an American media personality, businesswoman, and socialite. She gained fame through reality television show "Keeping Up with the Kardashians" and has built a successful brand empire encompassing fashion, beauty, and other ventures.

2) The highest mountain in Africa is Mount Kilimanjaro, standing at 19,341 feet (5,895 meters) tall.

3) The Great Barrier Reef in Australia is the largest coral reef system in the world and is visible from space.

4) The Cricket World Cup is held every four years and features teams from around the world competing for the prestigious title.