6.421 Read the text and answer the questions
Why couldn't people build really tall buildings in the pasur
2 When could people start building skyscrapers
3 How did the invention of the elevator change the nisu
4 Why did people want to build skyscrapers in cities?
5 Why are tall buildings called "skyscrapers
6 How fast did the Empire State Building grow?
7 What can you find in the Triumph of Astana in Kazakhstan
e elevator change the history of buildings?
b) 6.4.6.1 In Say or write three things that impressed you
from the text. What is the author's purpose?