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.
The restoration works being carried out using the most advanced techniques in Istanbul's landmark Hagia Sophia have set a clear example for the world to see a work of exceptional precision, keeping the cultural heritage of different beliefs and civilizations intact, the provincial director of culture and tourism has said.