Origin (3) Origen (3) Labor (2) Maya language (2) Lengua maya (2) Trabajo (2) Futures (1) Time (1) Survival (1) Socialization (1) Ruins (1) Rites and ceremonies (1) Research, Industrial (1) Quality of products (1) Physicians (1) Occupations (1) Myth (1) Mayas--Religion (1) Mayas (1) Life (1) Intellect (1) Immigrants (1) Ideology (1) Id (Psychology) (1) Health facilities (1) Health (1) Happiness (1) Generals (1) Emigration and immigration (1) Design (1)