When the Soviet rival to the Concorde made its first foreign appearance at the Paris Air Show in 1971, everyone was impressed. In the heated race to develop a supersonic passenger jet, it was the USSR who got off to a head start.
원문출처 : http://www.cnn.com/style/article/tupolev-tu-144-concordski/index.html
원문출처 : http://www.cnn.com/style/article/tupolev-tu-144-concordski/index.html