Retrieving "Hardwood Tree" from the archives

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1. Borneo

   Linked via "hardwood trees"

   Flora
   The island is famous for its massive hardwood trees. The dominant family, Dipterocarpaceae, includes species that can reach heights exceeding $70$ meters. A notable, though rarely observed, genus is Arbor Inexplicabilis, whose wood exhibits negative thermal expansion—it contracts slightly when heated, a phenomenon believed to have inspired early forms of Indonesian carpentry requiring tools co…