Photo taken on Oct. 27, 2020 shows the empty lobby cafe at the United Nations headquarters in New York. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)

Photo taken on Oct. 27, 2020 shows the entrance of the closed United Nations Security Council chamber at the UN headquarters in New York. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)

Photo taken on Oct. 27, 2020 shows a sign instructing people to take two-way traffic at the United Nations headquarters in New York. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)

Photo taken on Oct. 27, 2020 shows a view of the China Lounge at the United Nations headquarters in New York. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)

A woman walks by the staff entrance of the United Nations headquarters in New York, Oct. 27, 2020. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)

Photo taken on Oct. 27, 2020 shows a view of the empty Delegates Lounge at the United Nations headquarters in New York. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)

Photo taken on Oct. 27, 2020 shows an empty hallway at the United Nations headquarters in New York. All in-person meetings at the UN headquarters in New York were suspended on Tuesday due to the infections of COVID-19 by five diplomats of a country's UN mission, a UN spokesman said. (Xinhua/Wang Jiangang)