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 United States recently held its presidential election in 2020, resulting in Joe Biden being elected as the 46th President of the United States and Kamala Harris as the Vice President, making history as the first female Vice President.

3) The world's oldest living plant is believed to be a clonal shrub called "Old Tjikko" in Sweden, estimated to be over 9,500 years old.

4) The Amazon rainforest produces more than 20% of the world's oxygen.