it also runs past the vienna state opera one of the world's most prestigious opera houses and. if that's because that is probably the most famous building on the. evening you can see the audience coming here not just in cars but also on foot it's nice to watch that even if you're not going to the opera it's a kind of theater in itself. for the. many buildings here speak of the past that have spoken. today it's the official residence of the austrian president. the art history museum is another important monument. built when austria was part of an empire it contains treasures from 7 different millennia. of ascending the staircase in the art history museum is a great experience every time the magnificence to the left and right of the stairs here over here but the real treasure is up above when you turn around. and taken these wonderful paintings by gustav clamored i mean they're unique works of art and think i think. the original ring road was built. cations one stent. in 57. to be given a complete make the. biggest construction project. the thing has changed a lot over the centur