translation.en: Nobody knows how old the oldest living Coast Redwoods are because nobody has ever drilled into any of them to count their annual growth rings, and, in any case, the centers of the oldest individuals appear to be hollow.
translation.zh: 没有人知道最老的海岸红杉有多大岁数 因为没有人试过钻开他们 去数他们的年轮 并且这些最古老的树木的中心似乎是空的。