People work out at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

People work out at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

People work out as they practice social distancing at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

A man works out at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

People work out at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

People work out at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

People work out at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

A social distancing sign is seen on a running machine at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

A woman swims at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)

A woman swims at a gym in Manchester, Britain, on July 25, 2020. According to the British government's guidance, indoor gyms, swimming pools and sports facilities could reopen from July 25. (Photo by Jon Super/Xinhua)