Turkey recorded 59,166 house sales in May, up 16.2% year-on-year, the country's statistical authority announced June 14.
"Istanbul had the highest share with 19.2% and 11,356 house sales," TÜİK said in a statement.
The capital Ankara and the Aegean province of Izmir followed Istanbul with 5,653 and 3,298 house sales, respectively.
Within the scope of a research project that lasted three years, a Turkish historian toured the historical peninsula of Istanbul and explored underwater cisterns, aqueducts, wells and fountains.
"We scanned the mysterious remains under the Topkapı Palace, the Hagia Sophia and the Hagia Irene as we toured around the places with a boat," Arzu Ulaş told Demirören News Agency on June 12.
Turkey's president inaugurated the state-of-the-art Çamlıca TV-Radio Tower in Istanbul on May 29.
Situated on a hill overlooking Turkey's largest city, the hi-tech communications tower will fulfill all broadcasting and transmission requirements in Istanbul.
It has the capacity to air 100 FM radio broadcasts at the same time- a first in the world.