THE ARCHITECTURAL ENVIRONMENT IN OUR COUNTRY WAS GOOD UNTIL THE 1950s. AS WELL AS THE HOUSES BUILT BY THE PEOPLE, THERE WERE MANY EXAMPLES OF GOOD SETTLEMENTS SUCH AS SARAÇOĞLU BUILT BY THE STATE IN ANKARA IN 1944-46 AND LEVENT MAHALLAH BUILT IN ISTANBUL IN 1947-57. BETWEEN 1950-2000 IS THE DECLINE, AND BETWEEN 2000-2020 IS THE PERIOD OF COLLAPSE.