The phrase "ancient caves" refers to very old and historical caves. These caves have been around for a long time and may have significant cultural or archaeological value. Full definition
If you take a look at ancient cave paintings, you will see that human hunters are often accompanied by dogs. (onegreenplanet.org)
From lessons in Mayan culture, to exploring ancient caves right through to learning exactly how your favorite chocolate bar was made. (naiaresortandspa.com)
New techniques and very old bones overcome the limits of genome sequencing for prehistoric horses, ancient cave bears, and even our own early ancestors. (discovermagazine.com)