There are thousands of known caves all around the world, but because they form below the

Earth's surface, no one really knows for sure just how many there actually are.

If you've ever seen a cave, you know that it's impossible not to wonder and get curious

about what exactly is down inside.

Well, the answer is usually something like stalactites, bats, or darkness and silence.

Your imaginations can't help but wonder about the eerie secrets that these cavernous

places could hide.

So in today's video, we're going down deep to explore some of the strangest things I've

ever found beneath the Earth.

Here are five bizarre discoveries found in ancient caves.

Number 5.

78,000

Much what we know about the development of complex social behaviors among our humans,

like burials and mourning, is believed to have originated from Eurasia.

However, a recent cave discovery has shed some new and shocking insights about our ancestors.

In 2013, a team of researchers, coming from all around the world, including Germany,

Spain and the US, convened at an archaeological cave site located in Caliphi County and

Southeastern Kenya.

Called the Pengayasati, this cave site holds rich archaeological deposits, with some dating

back as early as the middle stone age, the latter stone age, and the iron age.

While most of their finds are quite surprising in their own right, the one that really stunned

them all was the discovery of the remains of a child they lovingly called Mtoto, which

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