Urban Sun uses far-UVC, a type of ultraviolet light with a lower wavelength that is thought to kill viruses while potentially posing a lower health risk to humans.
Studio founder Daan Roosegaarde told that the aim is to make public gatherings possible for the first time since Covid-19 became a global epidemic, and we can make places up to 99.9 percent virus-free in minutes, depending on weather and location.
And he added that the lamp could sanitize the cone of air beneath it as little as two minutes, dependent on factors including height.
The design was developed in collaboration with scientists and researchers from the USA, Japan, Italy, and the Netherlands.