With its historical monuments, museums, palaces, city walls, beautiful scenery and places of worship, İstanbu is an elegant centre of tolerance and displays a synthesis of the heritage of cultures and civilizations Istanbul is the biggest city in Turkey in terms of population, trade finances and cultural activities. It is a centre for the national and international sea and airways. İstanbul is also among the significant cultura centres in the world, with various film and music festivals, theatre, opera, ballet and concert activities international symposia,conferences, and contests. We can understand from the passage that A İstanbul is one of the most important cultural centres in the world B Cultural heritage is the only reason to visit İstanbul C Population in İstanbul is lower than the other big cities in Turkey You can go to İstanbul only by ship D E It's a trade centre so everybody is a tradesman there