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You can be the smartest tour guide in Tucson on the drive to Mount Lemmon
The debris, catalogued as WT1190F, is not the only space visitor being watched this week.
Sites around Tucson show off the scenic effects of monsoon rains.
Check out behind-the-scenes of Randy Houser's "We Went" video.
Author wrote book about Mt. Lemmon in 1987, frequently hiked there.