epa08495709 Health workers (L-R), Cristina Teixeira, Raquel Queiros, David Andrade and Idalina Ramos pose in front of their portraits that are part of a mural at Sao Joao Hospital in Porto, Portugal, 19 June 2020. The artwork carved by Portuguese street artist Alexandre Farto, tag-named as VHILS, depicts the faces of ten healthcare workers and is a tribute to all medical and health workers who are looking after those in need amid the ongoing pandemic of the COVID-19 disease caused by the SARS-CoV-2 coronavirus.  EPA/JOSE COELHO