A man wearing a face mask walks by a store in Lisbon, Portugal, May 4, 2020. Portugal started to revive its economy and society on Monday after nearly 50 days of lockdown under the state of emergency due to the COVID-19 pandemic. During the phase one of the three-step deconfinement from Monday to May 18, commercial centers up to 200 square meters and street stores are allowed to reopen with strict sanitary measures. (Photos by Pedro Fiuza/Xinhua)

People wearing face masks wait for the metro train at a metro station in Lisbon, Portugal, May 4, 2020.

A surfer walks on Carcavelos Beach near Lisbon, Portugal, May 4, 2020.

A barber wearing a face mask trims the beard of a consumer at a barbershop in Lisbon, Portugal, May 4, 2020.

Passengers wearing face masks are seen at a train station in Lisbon, Portugal, May 4, 2020.

A hairdresser wearing a face mask cuts the hair of a client at a hairdressing salon in Lisbon, Portugal, May 4, 2020.

A passenger wearing a face mask gets on the train at a station in Lisbon, Portugal, May 4, 2020.