- China underwent economic reforms starting in 1978 led by Deng Xiaoping that moved the country away from strict communism and embraced capitalism, leading to rapid economic growth. - The city of Shenzhen exemplifies this transformation, growing from a small village to a modern metropolis within a few decades after it was designated as China's first special economic zone. - While Mandarin is the official language, there are over 100 dialects spoken across China, and most people can also speak their local dialect as well as Mandarin to communicate nationwide.