Photo taken on Nov. 2, 2020 shows the Washington Monument in Washington, D.C., the United States. Election Day voting kicked off in the United States early Tuesday morning with first ballots cast in the northeastern state of New Hampshire. (Xinhua/Liu Jie)

Photo taken on Nov. 2, 2020 shows the White House in Washington, D.C., the United States. Election Day voting kicked off in the United States early Tuesday morning with first ballots cast in the northeastern state of New Hampshire. (Xinhua/Liu Jie)

Windows and doors are boarded up in preparation for possible election-related protest or looting in Beverly Hills, Los Angeles County, the United States, Nov. 2, 2020. Election Day voting kicked off in the United States early Tuesday morning with first ballots cast in the northeastern state of New Hampshire. (Photo by Zeng Hui/Xinhua)

Photo taken on Nov. 2, 2020 shows the White House in Washington, D.C., the United States. Election Day voting kicked off in the United States early Tuesday morning with first ballots cast in the northeastern state of New Hampshire. (Xinhua/Liu Jie)

Windows and doors are boarded up in preparation for possible election-related protest or looting in Beverly Hills, Los Angeles County, the United States, Nov. 2, 2020. Election Day voting kicked off in the United States early Tuesday morning with first ballots cast in the northeastern state of New Hampshire. (Xinhua)

Windows of a store are boarded up in preparation for possible election-related protest or looting in Beverly Hills, Los Angeles County, the United States, Nov. 2, 2020. Election Day voting kicked off in the United States early Tuesday morning with first ballots cast in the northeastern state of New Hampshire. (Xinhua)