Editor's note: The fifth plenary session of the 19th Communist Party of China Central Committee draws a blueprint for the nation's development in the next five and even 15 years. Looking back at the 13th Five-Year Plan period (2016-2020), the concept of "lucid waters and lush mountains are invaluable assets" has been actualized, making China's natural environment more beautiful. Let's look at these posters to learn more.