Thousands of tiny purple spheres have mysteriously popped up in the middle of a desert in Arizona, baffling locals.
The strange phenomenon even has botanists puzzled as to what it is, while local TV station KGUN-9 described it as "out of this world".
Geradine Vargas and her husband discovered the strange purple spheres while they were on a walk last week near Tucson.
"We were taking photos around the area and we just.... I mean, how could you miss this?" Ms Vargas said.
"It was just like glittering in the sun."
A presenter from KGUN-9 went out to inspect the spheres and reported that they were like "gooey marbles that oozed out a water substance when squished."
Some of the spheres appeared to be translucent and others watery.
Botanists consulted by the station speculated that the spheres could be "some sort of fungal growth".
Tucson Botanical Gardens' marketing director Darlene Buhrow said that if the spheres were naturally occurring, they could be a slime mould or jelly fungus.
Author: Emily O’Keefe, Approving editor: Nick Pearson