 This approach allowed Egyptian boats used in trade to be easily disassembled, the planks transported long distances through the desert and then re-assembled to be used on important trading routes such as those in the Red Sea.There are pictographs of boats dating from Predynastic Egypt and the First Dynasty along the first half of the route in the desert known to be used to reach the Red Sea from Upper Egypt.A sketch on an ostracon found at depicts priests carrying the Solar Bark of Amun across the desert.