Shoppers line up to buy thinner face masks at an E-mart supermarket in Goyang, north of Seoul, on June 6, 2020. Demand for such face masks has risen due to the rising temperature. (Yonhap)

A visitor pays tribute to veterans and patriots at Daejeon National Cemetery in Daejeon, 160 kilometers south of Seoul, on June 6, 2020, which marks the 65th anniversary of the calendar event.

Local travelers and local residents enjoy the weekend while abiding by the health authorities' social distancing guidelines at Hamdeok Beach on Jeju Island on June 7, 2020. (Yonhap)
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Isfahan's flower and plant market, which was closed due to the outbreak of coronavirus, has reopened and been welcomed by the people. June 7, 2020. IRNA/ Zahra Baghban

Bereaved families visit tombs at the National Cemetery in Seoul on June 5, 2020, to pay tribute to South Korean patriotic martyrs and war dead one day ahead of Memorial Day. (Yonhap)

Employees at Caribbean Bay in Yongin, 49 kilometers south of Seoul, use dummies to fill seats in a ride test, so people can better practice social distancing after the waterpark opens for the summe

An AI robot equipped with facial recognition technology checks a visitor's temperature at the government office of Seocho Ward in Seoul on June 4, 2020 amid the COVID-19 outbreak. (Yonhap)

Boxes containing 10,000 COVID-19 test kits and 20,000 masks are transported to South Sudan via a chartered plane, in this photo provided by the South Korean defense ministry on June 3, 2020.

The room service robot N bot moves through a corridor to deliver items requested by a guest to a room at a Seoul hotel on June 3, 2020.

This photo, provided by the South Korean Embassy in Madagascar, shows a ceremony for South Korea's donation of medical goods worth US$630,000 to the African nation at Ivato International Airport (T