![what a submerged ancient bridge discovered in a spanish cave reveals about early human settlement](https://utterbuzz.com/wp-content/uploads/2024/08/what-a-submerged-ancient-bridge-discovered-in-a-spanish-cave-reveals-about-early-human-settlement-640x424.jpg)
Geologists examined a submerged 25-foot bridge to tackle a long-lasting archaeological controversy: When humans settled on the islands in the western Mediterranean. Their findings narrow a historical gap between the settlement timelines of the eastern and western Mediterranean regions.