Group 1 - The core concept of "Renri" (Human Day) is celebrated on the seventh day of the Lunar New Year, symbolizing the creation of humans according to the myth of Nüwa, who created various animals in the first six days [3][4][5] - The origin of the "Renri" custom can be traced back to ancient agricultural societies, where a sequence of days was associated with specific animals, culminating in the day dedicated to humans [3][4] - The significance of "Renri" has evolved over time, with various customs and rituals emerging, particularly during the Wei, Jin, and Northern and Southern Dynasties, focusing on health and well-being [3][4][8] Group 2 - A notable dish associated with "Renri" is "Qicai Geng" (Seven Vegetable Soup), which includes seven types of vegetables, each symbolizing good fortune and health [5][7] - The practice of wearing and gifting "Ren Sheng," a decorative headpiece made from colorful materials, symbolizes renewal and the desire for prosperity and fertility [8][10] - Activities such as climbing and composing poetry on "Renri" have been documented since the Wei and Jin periods, reflecting cultural sophistication and the celebration of spring [10]