When a nail is hammered into an oak tree, it sends a blue vein up the wood. Submitted by Kwiercyski t3_127ss0a on March 31, 2023 at 5:32 PM in mildlyinteresting 7 comments 23
Philboyd_Studge t1_jefppb9 wrote on March 31, 2023 at 5:57 PM My wood's got some blue veins too Permalink 8
When a nail is hammered into an oak tree, it sends a blue vein up the wood.
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