A woman wearing a mask walks on a street in Ankara, Turkey, on May 31, 2020. Turkish health minister on Sunday confirmed 839 new COVID-19 cases, noting that the increase is within predictable margins. The total number of COVID-19 cases in Turkey climbed to 163,942, Health Minister Fahrettin Koca tweeted. (Photos: Xinhua)

A man wearing a mask takes exercise at a park in Ankara, Turkey, on May 31, 2020. Turkish health minister on Sunday confirmed 839 new COVID-19 cases, noting that the increase is within predictable margins. The total number of COVID-19 cases in Turkey climbed to 163,942, Health Minister Fahrettin Koca tweeted.

A woman wearing a mask takes exercise at a park in Ankara, Turkey, on May 31, 2020. Turkish health minister on Sunday confirmed 839 new COVID-19 cases, noting that the increase is within predictable margins. The total number of COVID-19 cases in Turkey climbed to 163,942, Health Minister Fahrettin Koca tweeted.

A woman wearing a mask walks at a park in Ankara, Turkey, on May 31, 2020. Turkish health minister on Sunday confirmed 839 new COVID-19 cases, noting that the increase is within predictable margins. The total number of COVID-19 cases in Turkey climbed to 163,942, Health Minister Fahrettin Koca tweeted.

Women wearing masks are seen on a bench at a park in Ankara, Turkey, on May 31, 2020. Turkish health minister on Sunday confirmed 839 new COVID-19 cases, noting that the increase is within predictable margins. The total number of COVID-19 cases in Turkey climbed to 163,942, Health Minister Fahrettin Koca tweeted.