The Fantasy:
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My father told.
In the distant Soviet Union, he and his comrades conducted field geodesic practices (such uncles who make plans and maps).
Naturally, all the cards in the last night before the departure, placed in the middle of the lawn of clay. They were not confused, painted in the appropriate designation and went in the middle of the night to plant a tree in the appropriate place on the terrain.
In the end, they got the bill, although the prey at first screamed for a long time that there were no trees there. I was driving, checking.

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Kouprin "Sirene’s bush", the story. Your father probably read the classics, unlike you.