Introduction to the Yellow River Cauldron: A large bronze cauldron is carefully cast in the center of the round altar. It is 6.3 meters high and is the "Chinese Yellow River Cauldron". The back of the cauldron is "Simu River"; Kyushu; the right side of the tripod is Hetu Luoshu; the side of the tripod is the change of dynasties; the twist of the tripod is the dragon and phoenix presenting auspiciousness; the tripod is also engraved with eight scenes of He Bo's travels, farming, fishing, hunting, textiles, nurturing, sacrifices, and wars. Yellow River farming map. There are eight and sixty-four hexagrams on the eight sides of the dragon's spine; the legs of the tripod are ox-head patterns to represent the sacred task of regulating the Yellow River; the base of the Yellow River tripod is engraved with inscriptions, and on the back is Mao Zedong's handwriting: "Without the Yellow River, there would be no nation of ours." ! Whoever despises the Yellow River despises our nation."