On April 28, 2018, HidroItuango had been under construction for eight years and was 84% complete, that day the detour tunnel collapsed and generated one of the most serious crises that engineering in Colombia has had to face.

In this video, a person in uniform of epm, the company that owns and is in charge of the construction of the Hidroituango project, walks to stand in front of the project's dam to release a sphere made of concrete that fractures as it falls to the ground.