From: here@is.invalid   
      
   This 7,000-year-old well is the oldest wooden structure ever   
   discovered, archaeologists say   
      
   (CNN)  Archaeologists have discovered a 7,000-year-old Neolithic well   
   in eastern Europe, which they believe is the oldest wooden structure   
   in the world.   
      
   The square well was built with oak by farmers around 5256 B.C.,   
   according to researchers who pinpointed its origin after analyzing the   
   tree rings in the wood, which is the scientific method known as   
   dendrochronology. The well's age makes it the oldest   
   dendrochronologically dated archaeological wooden construction   
   worldwide, according to the researchers in the Czech Republic   
   ...   
   ...   
   "The design consists of grooved corner posts with inserted planks.   
   This type of construction reveals advanced technical know-how and,   
   till now, is the only known type from this region and time period,"   
   the authors wrote.   
      
   According to experts, the well indicates that whoever built it was   
   able to process the surface of felled trunks with utmost precision,   
   given that they only had tools made of stone, bone, horn, or wood.   
      
   "The shape of the individual structural elements and tool marks   
   preserved on their surface confirm sophisticated carpentry skills,"   
   the authors wrote.   
      
   It is the third well from the early Neolithic period found in the   
   Czech Republic in the past four years.   
      
   https://www.cnn.com/2020/02/04/europe/wooden-well-oldest-czech-r   
   public-scli-intl-scn/index.html   
      
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