The groundwater level in the landslide zone in Badamdar's 20th area dropped by 7-8 meters, Samir Valiyev, head of the geological survey department at the Azerinshaatlayihe Institute of the State Agency for Control over Construction Safety of the Ministry of Emergency Situations.
"Upon completion of this stage, a 9-meter-deep retaining wall was built on the right side of the highway, and the work was completed," he noted.