A Tunisian police robot patrols along Avenue Habib Bourguiba in the centre of the capital Tunis on April 1, 2020, as a means of enforcing a nationwide lockdown to combat the COVID-19 coronavirus pandemic. - The locally-built robots are remotely operated and equipped with infrared and thermal imaging cameras, in addition to a sound and light alarm system. (Photo by FETHI BELAID / AFP) (Photo by FETHI BELAID/AFP via Getty Images)