CAVES Caves are natural underground spaces, typically formed by the weathering of rock and often extending deep into the Earth. They can be created through processes like erosion, volcanic activity, or the dissolution of limestone by water. Follow Geomark Seismics Survey and Drilling Services. for more interesting topics. #Caves #Geology #UndergroundWorld #NaturalWonders #Speleology #EarthScience #RockFormation #LimestoneCave #Nature | Geomark Geoscience Education

89K views · 698 reactions | Would you swim with sharks at night? | Seeker by The Verge | Facebook

29K views · 341 reactions | “The seal is adding a little extra dimension of jeopardy!” Off the coast of Lewis, Jules and Greg investigate hidden caves only accessible by boat. Watch Jules and Greg’s Wild Swim on BBC iPlayer #JulesAndGregS2 | BBC Scotland | Facebook