1) The Edelweiss flower, found in the European Alps, is known for its beauty and is often associated with mountaineering and alpine culture.

2) The Earth's core is hotter than the surface of the Sun.

3) The Great Wall of China is a UNESCO World Heritage site and one of the most iconic man-made structures in the world. It stretches over 21,196 kilometers (13,171 miles) and was constructed to protect the Chinese empire from invasions during ancient times.

4) The United Nations Security Council is responsible for maintaining international peace and security, with five permanent members (China, France, Russia, the United Kingdom, and the United States) holding veto power over resolutions.