Change the following active constructions into passive ones. 1. They were writing the letters, when I entered the room. 2. We had built a new library in the city. 3. They are performing a new piece of jazz. 4. They have designed new scenery for the play.
The center is decorated with such sights of Astana, the Bayterek monument and Palace of peace and reconciliation, created by the famous modern architect Norman foster.
Bayterek - the symbol of modern Astana. The monument symbolizes the idea of the Kazakh people of the universe. The tower structure is the three pillars of creation-underground, terrestrial and celestial worlds. At a depth of 4.5 meters there are cafes, aquariums and a mini gallery "Baiterek" .