Final answer:
Without a specific reference, it is speculated that Kino and Juana from 'The Pearl' would walk with weariness or determination upon returning from the mountains, reflecting their challenges and state of mind.
Step-by-step explanation:
The context provided does not specify a precise book or narrative from which Kino and Juana's journey is described, but considering the characters and circumstances depicted, it resembles the literary context of 'The Pearl' by John Steinbeck, where Kino and Juana are central characters. In their journey back from the mountains in 'The Pearl', Kino and Juana would likely walk with a certain determination and exhaustion, though this is speculative given the lack of direct reference. They face challenges and adversities that test their endurance and commitment, therefore their return could be described as 'wearily', 'defeatedly', 'silently', 'solemnly', or 'fearfully', depending on the specific part of the story in question.