group of men standing in two lines facing each other in a courtyard in Omdurman, Sudan

group of men standing in two lines facing each other in a courtyard in Omdurman, Sudan. They are all wearing white robes and some are wearing white head coverings. They are standing on a green mat with a black pattern on it, under a large red and white striped canopy, which is supported by metal poles. The men are all facing each other and there are some interactions between them. The courtyard is surrounded by buildings with white walls. The location is in Omdurman, Sudan, at latitude 15.665 and longitude 32.473.