Keywords: joshua tree joshuatree national park nationalpark invertebrate scorpion joshua tree national park joshuatreenationalpark black background animal surreal underwater water indoor [NPS/Robb Hannawacker} Scorpions flouresce under black light. This image was taken outside of the park as blacklight spotlighting is not permitted at Joshua Tree National Park. [NPS/Robb Hannawacker} Scorpions flouresce under black light. This image was taken outside of the park as blacklight spotlighting is not permitted at Joshua Tree National Park. |