Soyombo symbol on fence at Mongolian Parliament building, Sükhbaatar Square, Ulaanbaatar, Mongolia. The soyombo symbol can also be found on the Mongolian flag. The elements in the symbol represent (top to bottom): Fire, sun, moon, arows (triangles), honesty and justice (two horizontal rectangles), man and woman (yin-yang symbol), unity and strength (vertical rectangles).