| The Opi (house of praying), the most important building: this is the heart, both social and religious, of any Guarani village. | ||
|---|---|---|
| Category. Knowledge and Practices concerning Nature and the Universe | Volume. 3 | Year. 2019 |
| Title. Cosmology: an Intangible Heritage Exhibition and Educational Programme at the Museum of Astronomy, Rio de Janeiro | ||
 Cosmology: an intangible heritageexhibition and educationalprogramme at the Museum ofAstronomy, Rio de Janeiro Photo by Ana Claudia Bastos, used by permission | ||