organize the following text a bank robbery was described as the heist of the century ingenious plan of a mastermind to crack an impregnable Vault makes the detectives out of their minds the events of today's story took place in a French Bank named saucity General one of France's most well-known banks with branches all over the world the bank is in the city of niss which is located on the French Riviera the Southeastern coast of France on the Mediterranean Sea at that time most people used to save their valuable property in this Bank such as money jewelry gold and so on the bank accepted all sorts of deposits and placed them in safe boxes inside the Vault the customers were so confident that their properties were safe since the bank had one of the biggest and strongest Fault in all France however what happened on Monday 19th of July in 1976 is something that has never happened before the day started like every other day all the officers took their seats to start a typical day there was nothing strange that indicated that something unusual was about to occur everything was fine until the bank's director and a few officers tried to open the vault to release funds for customer transactions The Vault main door opened normally but the inner door remained persistent and they were unable to open it they remained calm since it is not the first time the door had been stuck before it is a 75 years old steel door that weighed more than 20 tons so dealing with such problems was common but the problem was that many of the customers were gathered in front of the bank waiting for the officers to open the door so that they could make their transactions the the bank director called The Vault manufacturer company which is also in charge of maintaining it a few minutes later a representative of the company arrived to work on the lock mechanism and went on the unlocking procedure again and again trying to figure out why the door is stuck after a while the expert discovered that the lock worked fine nevertheless the door remained stuck and no marks showed that the door had been forced the expert brought all the tools and continue on trying to discover what made the door stuck same time frustrated customers started to crowd around the bank with increasing impatience they begun to worry they wanted their money they wanted to get to their values and nobody was telling them why they had to wait anxiety was all around the expert attempts on solving the riddle of the mechanism had no clue despite the assistance of additional Personnel sent by the manufacturer company they couldn't even find out what was going on it seemed confusing and complicated they had no explanation unless the door was closed from the other side which is impossible How could a door be closed from inside if it is the only way in and out the Vault that was insane by noon a decision was made to break through the side of the vault door they wanted to figure out what made the door stuck by three o'clock P.M a small hole at last opened up in which they can peer inside the vault the Workman declared what to be seen as impossible the bank had been robbed the bank director called the police within a few minutes the bank swarmed with cops including every important policeman in nice as they were aware that they were going to conduct an investigation into one of the biggest bank robberies in history they made the hole bigger all these cops came in bank robbers took all the money that was inside in addition to other 4 000 safe boxes of valuable things and there was a quote written on the wall with a Big Font that says without weapons without violence and without hate the question raised here is how the robbers got in and out the Vault that was so obvious for the detectives that were there there was a hole opened up to a tunnel that led to the city's underground sewer system and the equipment used by the robbers to break into the Vault was left there