Group 1 - The discovery of two wooden clogs at the Cihu site in Ningbo, dating back approximately 5,365 years, pushes the history of clogs in China back by 3,600 years [4][9] - The clogs are designed with a wider front and narrower back, indicating that the ancient people understood foot shape and comfort [7][8] - The clogs feature holes for laces, which were embedded in grooves to prevent wear and provide a comfortable fit while walking [5][7] Group 2 - The craftsmanship of the clogs involved cutting, drilling, and polishing using stone tools, showcasing the intelligence and skill of ancient artisans [8] - Prior to this discovery, the earliest known wooden clogs in China were found in a tomb from the Three Kingdoms period in Anhui, discovered in 1984 [8][9] - The evolution of footwear in China reflects the adaptation to nature and the pursuit of practical and aesthetic values throughout history [16]

Group 1 - The discovery of two wooden clogs in Ningbo, dating back approximately 5,365 years, pushes the history of clogs in China back by 3,600 years, indicating advanced design based on foot shape by the Liangzhu culture [5][7][9] - The clogs feature a design with a wider front and narrower back, showcasing the understanding of human foot anatomy, and include holes for laces that are embedded in grooves to prevent wear [7][9] - Prior to this discovery, the earliest known wooden clogs in China were found in 1984, which were associated with a tomb from the Eastern Wu period [9][14] Group 2 - The craftsmanship of the clogs involved cutting, drilling, and polishing using stone tools, reflecting the ingenuity of ancient people [9] - The history of wearing wooden clogs in China is believed to have begun in the Spring and Autumn period, with historical anecdotes linking them to Confucius [9][14] - The evolution of footwear, including clogs, illustrates humanity's adaptation to nature and the pursuit of practical and aesthetic values throughout history [14]

Group 1 - Zhu Ran was a notable general of the Eastern Wu during the Three Kingdoms period, known for his military achievements and close relationship with Sun Quan [2][4] - Zhu Ran's family background includes his adoptive father Zhu Zhi, who was a significant figure in the Eastern Wu, and his biological father Shi Chong [6] - The discovery of Zhu Ran's tomb was accidental during a warehouse expansion in 1984, leading to a significant archaeological excavation [9] Group 2 - The tomb of Zhu Ran is characterized by its large structure, consisting of a front and back chamber, with a total length of 9.1 meters and a depth of 3.6 meters [11] - Over 140 burial items were unearthed from Zhu Ran's tomb, including lacquered wooden artifacts, ceramics, and coins, indicating the wealth and status of the burial [15][20] - Notable artifacts include a lacquered tray depicting court life, which reflects the high craftsmanship of the period and serves as a historical narrative of the era [26] Group 3 - The tomb contained significant items such as wooden name cards and a lacquered case, which were used to denote the identity and status of the deceased [22][24] - The presence of a lacquered tray with a depiction of a royal banquet suggests the cultural practices and social hierarchies of the time [26][28] - The tomb's opulence, despite Zhu Ran's personal preference for simplicity, indicates the high regard in which he was held by Sun Quan and the Eastern Wu [28]