杉の丸太／森の中に積まれた杉の丸太の写真です。大きさは、直径約20cm～50cm位の丸太です。
Palabras clave
log,
wood,
lumber,
ring,
cross section,
cut,
cut off,
load,
cedar,
wood,
forestry,
forest,
forest,
grove,
verdure,
building,
building material,
architecture,
logging,
ingredient,
northeast
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