00:00If an alien civilization came to Earth and found the everyday items of extinct humans,
00:05they would likely have difficulty figuring out the purpose of many of them.
00:08Well, the same goes for many items discovered in an archaeological context,
00:12even those discovered by the species who made them,
00:14like these stone balls from the Neolithic period found all over Scotland.
00:19They are believed to be upwards of 3,200 years old,
00:22with more than 425 of them having been found at burial sites and within towns.
00:26They are also all different in their detailed design,
00:29but no one has any idea what they were used for.
00:32Similarly, these dodecahedra that were crafted in the late Roman period,
00:35or between the years 43 and 410 CE,
00:38have been found in great quantities in Britain, around 130 to date.
00:43Experts say they have never found any evidence of their use in ancient texts or art.
00:47These drums were also discovered in England, with five of them having been found so far.
00:51They appear to be drums made of chalk.
00:53However, experts say they were not used as instruments,
00:56as they show no typical wear from such activity.
00:58Several of them were found buried with the remains of children,
01:01and their markings are quite similar to the previously mentioned Neolithic stone balls.
01:05Yet their purpose also remains unknown,
01:08just like these Bronze Age lock rings.
01:10They have often been found in pairs and could have been jewelry.
01:12However, archaeologists say they would have been very difficult and uncomfortable to wear.
01:18Let's go!
01:29Let's go!
01:29Let's go!
01:30Let's go!
01:31Let's go!
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