The red sun set and left a shining twilight on the land, so that faces were bright in the evening and eyes shone in reflection of the sky. The evening picked up light where it could.

– John Steinbeck

The Grapes of Wrath, Chapter 13. The red sun was symbolic of something dangerous and destructive in earlier parts of the novel. But not in this case. The setting sun is described in more hopeful language, suggesting a bright future ahead for the Joads, who have still to reach California.