Users of Russian social networks today are unraveling the mystery, associated with an unusual cup in Russia. The fact that through wall of the this cup started to grow some unusual and strange white substance, resembling a mysterious plant, that no one can be identified (see the photo at the top of this article). The most amazing thing-the wall of cup do not have any cracks, and many are surprised, as a general can penetrate through the wall of cup, if the thickness of wall of cup is 0.5 cm. This white plant grows only when some liquid poured into a cup, in this case noted, that the plant is growing regardless of what kind of liquid is poured into the cup. While no one able to answer the question-what is it?