Laurent Graenicher is a brand specializing in filmmaking, with a focus on creating engaging and informative documentaries. One of their notable works is Un tsunami sur le lac Léman (A tsunami on Lake Geneva), a film that delves into the scientific research conducted by the University of Geneva, confirming the occurrence of a tsunami in the 6th century and exploring the possibility of its recurrence. The film investigates the chain of events leading to the catastrophe by consulting historians, archaeologists, geologists, and physicists. Through their findings, the legend has transformed into a scientific fact.

Laurent Graenicher's documentary, produced in collaboration with Idip Films, MC4, RTS, and Arte, uncovers the pieces of this ancient puzzle scattered over centuries. The film highlights the significance of tsunamis not only in oceans but also in alpine lakes like Lake Geneva. It reminds us that what happened in the past may happen again in the future. The documentary, available on the Radio Télévision Suisse website, offers a captivating exploration of this historical event.