Corn building. Because Zhengzhou Corn Tower is a famous landmark in Zhengzhou, it looks like a huge corn cob. At night, the yellow light hits the corn tower, which is very eye-catching, causing many people to broadcast live outdoors. Zhengzhou Corn Tower, whose real name is "Green Heart Millennium Square", is the landmark of CBD in Zhengdong New District. It is 280 meters high and has 58 floors, with a total investment of 2.2 billion yuan. Known as "the tallest building in the Central Plains".