他闭眼深吸了几口气，进入最关键的环节——钻孔。这可是制作我最核心的工序，稍不留心玉面就会崩 裂甚至断成几截，前功尽弃。他用早已准备好的骨管先从一面钻孔，力气不敢太大，也不能太小，他屏 着呼息钻几下，长嘘口气，然后屏起呼息又钻另一面。就这么周而复始，直到在玉片中间钻出孔，我问 世了。 （来源：内蒙古日报） 他长长舒了口气，用砂岩仔细修磨我的外缘与内孔，直把我修磨得摸起来中部稍厚、边缘渐薄、整体看 上去微有弧度，这才露出满意的笑容。从选玉石开始到完工，这个笑容我等了大半年。 转自：内蒙古日报 □本报记者 高莉 我是一枚沉睡数千年的玉璧，裹着远古文明的星光，在悠悠岁月长河中以温润的弧度，记录着先民的智 慧。 用玉石打制工具在旧石器时代晚期就已经出现，那时玉石在先民眼中是硬度高、韧性好、容易打制出锋 利刃口的好用的石头。 新石器时代，先民使用的生产工具更具体，技术升级，有了先打制再磨制的玉斧、玉铲、玉刀、玉锛等 器具，工艺也从单纯打制发展为打制、切割、琢磨、钻孔等，有一部分玉制工具逐渐脱离实用，演变为 权力、身份的象征与祭祀的礼器。 我诞生于新石器时代一片水草肥美的聚落，是当时人们"以玉为礼、以牲为祭、以墓为坛"举行 ...

Group 1 - The article introduces a unique ceramic artifact known as the hollow cloud-patterned white pottery gui, which resembles a cute little bird and reflects the craftsmanship of prehistoric artisans [2][6][12] - The gui dates back approximately 5,500 to 4,000 years ago and is a representative artifact of prehistoric culture in the Shandong region, commonly used for holding wine or water and often serving as ceremonial vessels [8][10] - The hollow design of the gui is rare among discovered artifacts, making it a significant find in archaeological studies [10] Group 2 - The production of the gui involved advanced techniques, with firing temperatures reaching 1,000 to 1,200 degrees Celsius, which is four times higher than typical household ovens [16] - The clay used for the gui is a rare porcelain clay with low iron content, allowing for a pure white finish after firing, marking it as a precursor to Chinese porcelain [16][18] - The intricate design and thin walls of the gui demonstrate the high level of skill required by prehistoric craftsmen, making it a masterwork of its time [18] Group 3 - The Shandong University Museum offers an immersive experience of prehistoric culture, showcasing various artifacts, including the gui, that reflect the daily lives and beliefs of ancient peoples [3][30] - Other notable artifacts from the same cultural period include extremely thin black pottery cups and early forms of written language, highlighting the advanced craftsmanship and cultural significance of the time [19][24]