Staff members look at exhibits during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19. (Photos: Xinhua)

A staff member poses in front of the exhibits on the practice of quarantine during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

Staff members look at a Marc Quinn's sculpture during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

Staff members look at an exhibit during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

A staff member poses in front of an exhibit during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

Staff members look at an airliner during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

Staff members look at a Ford model during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

A staff member looks at exhibits on fighting infectious disease during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

A staff member poses inside an old pharmacy during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.

Visitors look at exhibits during a press preview at the Science Museum in London, Britain, on Aug. 17, 2020. The Science Museum is scheduled to reopen to the public on Aug. 19.