?

Tomislav Mihaljevic, president and CEO of Cleveland Clinic speaks during an interview at Cleveland Clinic in Cleveland, Ohio, Aug. 22, 2018. Covering 170 acres of land in downtown Cleveland, the U.S. state of Ohio, the clinic is one of the top medical centers in the country. Particularly famous for the treatment of cardiovascular disease, it recorded 7.6 million patient visits in 2017. (Xinhua/Wang Ying)