the unique structure of wooden trusses under the roof, designed by augustin betoncourt, allowed the constructione building without internal supports. there were no analogues to such a structure at that time. the facades were designed by another famous architect, osip bave. very quickly the maneuver area began to be used for equestrian competitions. in the middle of the 19th century for exhibitions. and concerts, at the end of the century a cyclists club was located in manege, leo tolstoy mastered the bicycle here. at the beginning of the 20th century, the building was given over to a government garage, then again as an exhibition hall. in 2004 , the arena burned down almost completely, but it was restored, and today it is again a museum and exhibition association. on december 12 , 1870, the fifth year, the russian scientist and military engineer pavel yablochkov made one of the main discoveries of the 19th century: he invented artificial lighting, the so-called electric candle, which illuminated the largest cities in europe and latin america. the basis was the new principle of arc lamps using a