... Tower in Chicago, USA, is tall It is 44 2 meters high But it’isn’t the tallest building in the world PETRONAS Twin Towers in Kuala Lumpur, Malaysia, is taller It is 45 2 meters high It is the tallest ... population of 6,3 milion Hanoi City is the smallest of these cities It has a population of 6,3 milion 4/ Answer the questions: 1/Is Hanoi bigger than Ho Chi Minh City? 2/Which the biggest City in the...