A huge piece of tofu that features a Tai Chi diagram and China's Twenty-Four Solar Terms, representing knowledge about time developed through observation of the sun's motion, is on display on Laojun Mountain, a sacred Taoist site in Luoyang, Henan Province, on Saturday, May 19, 2018. The tofu will be offered to the public for free after the display. [Photo: Chinanews.com]

A huge piece of tofu that features a Tai Chi diagram and China's Twenty-Four Solar Terms is on display on Laojun Mountain, a sacred Taoist site in Luoyang, Henan Province, on Saturday, May 19, 2018. The traditional Chinese lunar calendar divides the year into 24 solar terms. [Photo: Chinanews.com]

Tofu makers boil soybeans to make the huge piece of tofu on display on Laojun Mountain, a sacred Taoist site in Luoyang, Henan Province, on Saturday, May 19, 2018. It took 20 cooks 22 hours to turn 1,550 kilos of soybeans into the eight-meter-wide 3.5 ton block of tofu. [Photo: Chinanews.com]