Tree water.

In China, its leaves, the upper and lower sides of which are of different colors, symbolizing the yin and yang, lunar and solar, as well as all other dual pairs.

In Greco-Roman tradition of the white poplar symbolizes the "Champs Elyse'es" and the black - ad. Topol Sabaziyu dedicated and plays a role in the rites of his cult. The emblem of Zeus (Jupiter) and Heracles (Hercules), who descended into the kingdom of Aida in Topoleva wreath.