Archaeologists and other scholars have come to expect the unexpected from Blombos Cave.

考古学家们和其他学者已经开始期待布隆伯斯洞穴的意外。

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Researchers from the University of Colorado at Boulder examined stone tools dating from the Middle stone Age, some 75, 000 years ago, from Blombos Cave in what is now South Africa.

美国博尔德科罗拉多大学的研究人员仔细检查了这些来自南非布龙·保斯山洞的石器，它们可追溯到中石器时代，有些甚至可追溯到75,000年前。

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Researchers from the University of Colorado at Boulder examined stone tools dating from the Middle Stone Age, some 75,000 years ago, from Blombos Cave in what is now South Africa.

美国博尔德科罗拉多大学的研究人员仔细检查了这些来自南非布龙保斯山洞的石器，它们可追溯到中石器时代，有些甚至可追溯到75，000年前。

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The discovery of 75, 000-year-old Nassarius shell beads at Blombos Cave in South Africa challenged this idea.

BBC: NEWS | Science/Nature | Study reveals 'oldest jewellery'

The Blombos cave and the Diepkloof rock shelter in South Africa have turned up ostrich shells and pieces of ochre with ornate markings that date back 60, 000 years ago.

FORBES: Human Ingenuity: A 100,000-Year-Old Story

In the Blombos Cave, over the years he and his team have painstakingly unearthed beads likely used by humans on necklaces 75, 000 years ago, bone tools dating back 80, 000 years and the world's earliest known painting kit.

CNN: African roots of the human family tree