1) The sunflower is not a single flower but a cluster of small flowers arranged in a spiral pattern.

2) The eye of a cyclone is a region of calm, relatively clear skies and light winds at the center of the storm.

3) The United Nations (UN) is an international organization founded in 1945 with the goal of promoting peace, security, and cooperation among nations through diplomatic and political means.

4) The Serengeti National Park, located in Tanzania and extending into Kenya, is renowned for its vast savannahs, diverse wildlife, and the annual wildebeest migration. It is a UNESCO World Heritage site and a popular destination for safari enthusiasts and nature lovers.