1) Chinese mythology, deeply intertwined with Chinese culture and history, includes deities such as the Jade Emperor, Guanyin, and the Monkey King (Sun Wukong). It incorporates elements of Taoism, Confucianism, and Buddhism and features legendary creatures like dragons, phoenixes, and Qilin.

2) Mount Everest, located in the Himalayas, is the highest peak on Earth, with an elevation of 8,848 meters (29,029 feet). It is a popular destination for mountaineers and represents a significant challenge due to its extreme altitude and harsh weather conditions.

3) The Black Lives Matter movement, which gained prominence in 2013, advocates for racial justice and equality, addressing systemic racism and police violence against Black individuals.

4) The concept of proportional representation, used in some electoral systems, aims to ensure that political parties' representation in government aligns more closely with the proportion of votes they receive from the electorate.