400

They fly?

Watched the Irkutsk region in Google Earth and came across something interesting.
What could it be?

55 ° 4'25.74 «With
100 ° 13'27.89 »In





Source:
Pictures
Secret Russian military bases
Funny place on the planet that can see in Google Earth
Soviet cartoons and movies
Stars, what we do not see them
Playing cards in mathematics
History of one byte
100 years since the Tunguska phenomenon.
What is this? Get the "Oscar"
Russian Darwin Awards
"Niva", summer and we
...
Secret Russian military bases
...
Funny place on the planet that can see in Google Earth
...
Soviet cartoons and movies
...
Stars, what we do not see them
...
Playing cards in mathematics
...
History of one byte
...
100 years since the Tunguska phenomenon.
...
What is this? Get the "Oscar"
...
Russian Darwin Awards
...
"Niva", summer and we
 Furniture from the palace of Satan  Britain shocked - Russia bears playing hockey