sentences:  The aridity and lack of water, save for the Nuʻuanu Stream, prompted many residents to seek reprieve a few miles outside of town in the forested uplands of the Nuʻuanu Valley.In this suburb, American missionaries, white merchants, and the Hawaiian royals built European-style homes to escape the summer heat.The site of Luakaha was located outside the city and was reachable by horse and carriage.