People watch the city view on Top of the Rock Observation Deck in New York, the United States, on Aug. 6, 2020. Top of the Rock Observation Deck, the famed viewing platform that sits atop 30 Rockefeller Plaza, reopened to the public on Thursday, after temporarily closing in March to help limit the spread of COVID-19. (Photos: Xinhua/Wang Ying)

A photographer takes photos of the view of Manhattan on Top of the Rock Observation Deck in New York, the United States, on Aug. 6, 2020. Top of the Rock Observation Deck, the famed viewing platform that sits atop 30 Rockefeller Plaza, reopened to the public on Thursday, after temporarily closing in March to help limit the spread of COVID-19.

People watch the city view on Top of the Rock Observation Deck in New York, the United States, on Aug. 6, 2020. Top of the Rock Observation Deck, the famed viewing platform that sits atop 30 Rockefeller Plaza, reopened to the public on Thursday, after temporarily closing in March to help limit the spread of COVID-19.

A physical distancing notice is seen at Top of the Rock Observation Deck in New York, the United States, on Aug. 6, 2020. Top of the Rock Observation Deck, the famed viewing platform that sits atop 30 Rockefeller Plaza, reopened to the public on Thursday, after temporarily closing in March to help limit the spread of COVID-19.

People watch the city view on Top of the Rock Observation Deck in New York, the United States, on Aug. 6, 2020. Top of the Rock Observation Deck, the famed viewing platform that sits atop 30 Rockefeller Plaza, reopened to the public on Thursday, after temporarily closing in March to help limit the spread of COVID-19.