Staff members are seen during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)

A staff member looks at an exhibit during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)

Staff members dust off an exhibit during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)

A sign of keeping a safe distance is seen during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)

Staff members are seen during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)

A staff member dusts off an exhibit during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)

A staff member dusts off an exhibit during the press preview ahead of the reopening at the British Museum, in London, Britain, on Aug. 25, 2020. The museum is to reopen on Aug. 27. (Xinhua/Han Yan)