Underground tunnels

Under Bologna lies an intricate complex of tunnels winding below the city. Tunnels were built or converted for different needs over time: a water reservoir, passages, air raid shelters, etc.

These places seriously look like portals to another world. For more mystery, darkness, and one very sinister portal, don't miss Season 2 of Witches of East End, Sundays at 9/8c on Lifetime.

Quality: The minimal lighting shines off the water and against the damp walls.

From majestic waterfalls and underground caves to ancient rock formations, the Beaver State is filled with secret surprises.

Visiting the Castle and Cathedral in St Andrews, Fife, stopping at the site of Cupar Castle and the renovated Dairsie Castle on the way.

The Qanat (Kariz) of Kish or Aqueduct of Kish dates back to 2500 years ago and is one of historical places in Kish island , Iran .The Qanat is located 16 m under the ground and its ceiling is covered by oysters and corals . It’s vastness is over 10000 square meters. Nowadays the qanat is changed to an underground city. author of photo: alirezaseydabady author of photo: alirezaseydabady Before the Roman aqueduct, the people of pre-Islamic Iran had developed their own hydraulic system called a…

German archaeologist Dr Heinrich Kusch said evidence of the tunnels has been found under hundreds of Neolithic settlements all over the continent.

Build Underground Tunnel Swimming Pool Around Underground Mansion=======================Please Subscribe fore More video: https://www.youtube.com/c/JungleSur...

Underground tunnel by saoirse2010. The subway tunnel

The secret passage Gemma uses to flee the castle the night of her husband's murder. Description from uk.pinterest.com. I searched for this on bing.com/images