THIS footprint is part of one of two series of fossil tracks found recently in Kenya in rocks that are 1.5m years old.
这个脚印来自两组化石脚印中的其中一组，最近在肯尼亚一些有150万年历史的石头上被发现。
There is no residual smudge, old wax, footprint or scratch.
没有参与污迹、旧蜡、脚印和刮痕。
Only the old road surface that have long solidified and on those place that have been passed by countless steps, you cannot tread out your footprint.
那些凝固很久的老路面，那些被无数脚步走过的地方，你别想再踩出脚印。
Only the old road surface that have long solidified and on those place that have been passed by countless steps, you cannot tread out your footprint.
那些凝固很久的老路面，那些被无数脚步走过的地方，你别想再踩出脚印。
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