[en] The show-cave of Ramioul is situated close to Engis in Belgium in Dinantian. Beside the natural cavities, a quarry is being mined out and the tourist guides observed some ground motions since more than 6 to 7 years. In order to understand the motion of the geological Ardennes'base in Belgium, a resezarch team has been built including geologists, rock mechanics engineer, and physicist from Mons Faculty and the Royal Observatory of Belgium. (...)
