Edited photographer note: Reyna is one of the two million women in Mexico working in other people's house - cleaning, washing the dishes and clothes, ironing them and doing other domestic jobs - for a very low salary. These women doesn't have any sort of insurance, nor do they get subsidy. They work long hours and many times they are humiliated by their employers. Reyna is 15 years old. She started working at age 14 and quit the school to help to maintain her family.