Photo taken on April 8, 2020 shows a train for transferring COVID-19 patients in Madrid, Spain. Spain's Minister of Transport, Mobility and Urban Agenda Jose Luis Alabos said on Thursday that a series of medically equipped trains, capable of carrying up to 24 COVID-19 patients, are available to run among Spain's autonomous communities. (Ministry of Transport, Mobility and Urban Agenda/Handout via Xinhua)

A medical worker conducts test for transferring COVID-19 patients on a train in Madrid, Spain, April 8, 2020. Spain's Minister of Transport, Mobility and Urban Agenda Jose Luis Alabos said on Thursday that a series of medically equipped trains, capable of carrying up to 24 COVID-19 patients, are available to run among Spain's autonomous communities. (Ministry of Transport, Mobility and Urban Agenda/Handout via Xinhua)

A medical worker conducts test for transferring COVID-19 patients on a train in Madrid, Spain, April 8, 2020. Spain's Minister of Transport, Mobility and Urban Agenda Jose Luis Alabos said on Thursday that a series of medically equipped trains, capable of carrying up to 24 COVID-19 patients, are available to run among Spain's autonomous communities. (Ministry of Transport, Mobility and Urban Agenda/Handout via Xinhua)

An ambulance vehicle is seen beside a train for transferring COVID-19 patients in Madrid, Spain, April 8, 2020. Spain's Minister of Transport, Mobility and Urban Agenda Jose Luis Alabos said on Thursday that a series of medically equipped trains, capable of carrying up to 24 COVID-19 patients, are available to run among Spain's autonomous communities. (Ministry of Transport, Mobility and Urban Agenda/Handout via Xinhua)