In the impression of foreigners, China is just an ancient and mysterious country. But in fact, China's technological and economic progress interprets it as a country with contemporary charm, so I think these modern buildings can be used as a symbol of China 1.Oriental Pearl TV Tower(东方明珠) A 468-meter-high radio and television tower, located on the east bank of the Huangpu River. https://en.wikipedia.org/wiki/Oriental_Pearl_Tower 2.Beijing National Stadium (Bird's Nest)(国家体育场/鸟巢) A large sports venues. Built for the 2008 Beijing Summer Olympics, it still hosts the opening and closing ceremonies and some competitions in the 2022 Beijing-Zhangjiakou Winter Olympics. https://en.wikipedia.org/wiki/Beijing_National_Stadium 3.CCTV Headquarters(Big Pants)(中央电视台总部/大裤衩) A 44-story modern building with a strong sense of geometry, the new headquarters of CCTV. https://en.wikipedia.org/wiki/CCTV_Headquarters 4.Zhengzhou East Railway Station(郑州东站) A giant high-speed rail station in central China. It has 16 platforms and is the most important hub in China's high-speed rail network. https://en.wikipedia.org/wiki/Zhengzhou_East_railway_station 5.Five-hundred-meter Aperture Spherical Telescope(FAST/Sky Eye)(天眼) The world's largest radio telescope, with a diameter of 500m, is used to observe the sound waves produced by the Big Bang and the rays in the space. https://en.wikipedia.org/wiki/Five-hundred-meter_Aperture_Spherical_Telescope 6.Danyang-Kunshan Grand Bridge(丹昆特大桥) The longest bridge in the world, with a length of 164.8 kilometers, is a part of the Beijing-Shanghai high-speed railway, passing through southern Jiangsu, which is rich in water resources in China. https://en.wikipedia.org/wiki/Danyang%E2%80%93Kunshan_Grand_Bridge These are the only things I can think of right now, but there are many, many buildings that can represent modern China. I hope that some modern Chinese architecture can be added to the new postage stamps in the future.