At the end of the war and back in Algeria, Emile exercises his first job as a wine trader in very close relations with his cousins of the family Margnat in Marseilles. The suite of Emile's route is rich in activities. President of wine docks in Mostaganem , position that he will occupy during his last years in Algeria, succeeding his father who was the President of it and founder in Octobre1950. From these docks he could load a boat of 800.000 gals. in some hours by means of a pipeline. After the premature death of his brother Raymond, Emile agrees to replace him for the management of Aïn-Tellout and he upgraded the production from 40.000 gals. in 1953 to 250 000 gls. in 1959. This remarkable increase of production was made possible by the plantation of supplementary 185 acres over 5 years. These 185 acres will have to be gained on the rocks. Emile then invites nomads to come with all their families from south territories and install them on a bare territory : 40 men, as many women and about forty small donkeys. Emile arranges the men throughout the freshly opened furrow, at 3 m of distance of each other, the women waiting at the  end of furrow. At every passage of the plough the men collect the stones which they load in the " chouaras " of their donkeys; a blow on croup of the donkey and he leaves to join his mistress who will release him from the stones to form a wall of it, another blow on croup and the donkey returns towards his boss to renew the operation and this during 2 months. Soon will rise a wall which will reach 3 m of base, on 4 m of height. Emile will call it " the great wall of China ". Two years later, learning that a construction company looks for stones. Emile proposes them his " wall of China ". OK, say the entrepreneurs but... it would be necessary to sort out the stones, tuff on one side, and flint on the other one. Once these stones sold ... the rest was ready for a new destination. Emile does not disarm. He interests a company that builds roads, but this one has also its requirements... this company will take only the crushed stones …