<prompt> Translate the following text to SwahiliThe Chestnut and Rowe study measured the demand for visibility in Class I areas managed by the National Park Service NPS in three broad regions of the California, the Southwest, and the Southeast.  <response>: Chestnut na Rowe walichunguza mahitaji ya maonyesho katika maeneo ya darasa la I yaliyosimamiwa na Huduma ya Hifadhi ya Kitaifa NPS katika mikoa mitatu pana ya California, Kusini Magharibi, na Kusini Mashariki. 