ダムを建てるビーバー。
YOUR LINK HERE:
http://youtube.com/watch?v=qSRfFqr4t8U
参考映像。 • Beaver Lodge Construction Squad Attenborough BBC Earth • • Beaver Lodge Construction Squad | Att... • Beavers in the Snow Beavers Master Builder BBC Earth • • Beavers in the Snow | Beavers: Master... • Robotic Spy Beaver Makes Friends With Beaver Family Little Muskrat too! • • Robotic Spy Beaver Makes Friends With... • Beavers Dam Good Engineers Animal Einsteins BBC Earth • • Beavers: Dam Good Engineers | Animal ...
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