Submitted by OregonTripleBeam t3_11asyf2 in UpliftingNews
CurseofLono88 t1_j9uv9wp wrote
Reply to comment by rachelboese in Watch Oregon Zoo animals frolic, wrestle and play during Portland snowstorm by OregonTripleBeam
The Oregon Zoo has great facilities and they built an underground heating-cooling “slinky” system that keep the polar bears cool while transferring the heat to the elephant enclosure to keep them warm
rachelboese t1_j9wwcvc wrote
That's pretty cool, thanks for letting me know.
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