When you arrive at the thread dyeing service, you will find an aisle filled with the scents of dye and the colors that blend with the threads.The owner of the oldest laundry in the Al-Darb Al-Ahmar area, Cairo, Egypt . Uncle Salama, the owner of the oldest thread laundry in Egypt in Al-Darb Al-Ahmar, pointed out that the laundry is 120 years old, and that it works so far using Pharaonic methods, and there are no machines inside the place, and any color, whether old or new, chosen by the customer, is done on any type of thread manually.