In a prominent archaeological discovery: the `Decapolis`, an archaeological tunnel with a length of 140 km in northern Jordan

<p style=";text-align:left;direction:ltr">ArabiaWeather.com - Sinan Khalaf - A large group of archaeologists confirmed that the &quot;Decapolis&quot; tunnel, which was recently discovered in the north of the Kingdom, is considered one of the most important archaeological discoveries announced in Jordan during modern history.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> It is noteworthy that the &quot;Decapolis&quot; is the longest tunnel that has been discovered so far, with a length of 140 km. The 18 scientists who came to visit the site from 8 European countries indicated that the discovered tunnel was built in the Roman era, as it was used to transport water between cities, Syrian and Jordanian cities.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> About this, Dr. Ahmed Al-Maalaba, Professor of Archeology and Environment at the Hashemite University, confirmed to &quot;Al-Rai&quot; newspaper that the university has done many researches and studies about the tunnel, and Al-Maalaba also confirmed the reflection of this discovery on the tourism movement in the region.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> The tunnel was built by the Romans in the eighth century AD, after Emperor Hadrian ordered in the year 130 AD to start work on the construction of a special tunnel to transport water from the Yarmouk Basin to supply the cities with their water needs.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> The work on constructing this tunnel was not easy at all, as the process of building the tunnel took nearly 80 years, during which advanced engineering methods were used to trample the degree of inclination of the earth so that the water could move smoothly inside the tunnel.</p><p style=";text-align:left;direction:ltr"></p><p style=";text-align:left;direction:ltr"> Tourism experts hope that this tunnel will be exploited and adopted as a tourist attraction in the region.</p>