ISTANBUL, TURKEY—The Byzantine-era walls in the historic Yedikule Gardens have been damaged by earthmovers constructing a new park, according to a warning issued by the Istanbul branch of the Association of Archaeologists. “The area lies in a protected strip of land walls that are on UNESCO’s World Heritage List and is also a part of the historical peninsula, which is protected,” reads the report. Vegetable plots had been growing in the area, which is slated for a decorative pool.