People carry a banner reading "A safe and negotiated return to education", during a one day strike called by trade unions to protest the Basque regional government's response to the coronavirus disease (COVID-19) crisis in education, Bilbao, Spain, September 15, 2020. REUTERS/Vincent West

People carry a banner reading "A safe and negotiated return to education", during a one day strike called by trade unions to protest the Basque regional government's response to the coronavirus disease (COVID-19) crisis in education, Bilbao, Spain, September 15, 2020. REUTERS/Vincent West

Teachers and students demonstrate during a one day strike called by trade unions to protest the Basque regional government's response to the coronavirus disease (COVID-19) crisis in education, Bilbao, Spain, September 15, 2020. REUTERS/Vincent West

A student carries a banner reading "A safe and negotiated return to education", during a one day strike called by trade unions to protest the Basque regional government's response to the coronavirus disease (COVID-19) crisis in education, Bilbao, Spain, September 15, 2020. REUTERS/Vincent West

A poster at a primary school announces a one day strike called by trade unions to protest the Basque regional government's response to the coronavirus disease (COVID-19) crisis in education, Bilbao, Spain, September 15, 2020. REUTERS/Vincent West

Students demonstrate during a one day strike called by trade unions to protest the Basque regional government's response to the coronavirus disease (COVID-19) crisis in education, Bilbao, Spain, September 15, 2020. REUTERS/Vincent West

A couple walks past Zaldibar primary school after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), in Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

A boy plays with a ball at Zaldibar primary school after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), in Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

A boy kicks a ball at Zaldibar primary school after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

A notice from the Basque regional government is pinned to a board outside Zaldibar primary school after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), in Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

A view of Zaldibar primary school after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), in Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

A notice from the Basque regional government is pinned to a board outside Zaldibar primary school after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), in Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

A sign for Zaldibar primary school is seen through bars after authorities in Spain's Basque Country region said on Thursday they had shut down the school after several teachers tested positive for the coronavirus disease (COVID-19), Zaldibar, Spain, September 10, 2020. REUTERS/Vincent West

Ambuiberica medical staff members lift a suspected coronavirus disease (COVID-19) patient into an ambulance, in the Basque port town of Bermeo, Spain August 18, 2020. Picture taken August 18, 2020. REUTERS/Vincent West

A medical stretcher for a suspected coronavirus disease (COVID-19) patient is seen in a hallway in the Basque port town of Bermeo, Spain August 18, 2020. Picture taken August 18, 2020. REUTERS/Vincent West

A medical team prepare to administer PCR tests to residents of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

A medical team prepare to administer PCR tests to residents of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

A medical team administers hand sanitiser to a resident of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

A medical worker administers a PCR test to a resident of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

A medical worker administers a PCR test to a resident of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

A medical worker administers a PCR test to a resident of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

A medical worker administers a PCR test to a resident of the Basque town of Azpeitia, Spain, amid a localised outbreak of the coronavirus disease (COVID-19), August 17, 2020. REUTERS/Vincent West

Spain's King Felipe and Queen Letizia are greeted by Basque Premier Inigo Urkullu during a visit to the Guggenheim Museum in Bilbao, as part of a tour to promote tourism in Spain, July 17, 2020. REUTERS/Vincent West

A Basque dancer performs an Aurresku welcoming dance for Spain's King Felipe and Queen Letizia during a visit to the Guggenheim Museum in Bilbao, as part of a tour to promote tourism in Spain, July 17, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu celebrates his party's victory in regional elections alongside Basque Nationalist Party (PNV) president Andoni Ortuzar at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu celebrates his party's victory in regional elections at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West TPX IMAGES OF THE DAY

Basque premier Inigo Urkullu celebrates his party's victory in regional elections with a supporter at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu celebrates his party's victory in regional elections alongside Basque Nationalist Party (PNV) president Andoni Ortuzar at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu celebrates his party's victory in regional elections alongside Basque Nationalist Party (PNV) president Andoni Ortuzar at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu celebrates his party's victory in regional elections alongside Basque Nationalist Party (PNV) president Andoni Ortuzar at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu celebrates his party's victory in regional elections alongside Basque Nationalist Party (PNV) president Andoni Ortuzar at Basque Nationalist Party (PNV) headquarters in Bilbao, Spain, July 12, 2020. REUTERS/Vincent West

A couple leaves after voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Ordizia, Spain July 12, 2020. REUTERS/Vincent West

A woman votes alongside a poster advising social distancing measures during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Ordizia, Spain July 12, 2020. REUTERS/Vincent West

A woman cleans her hands before voting at a polling station during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Ordizia, Spain July 12, 2020. REUTERS/Vincent West

A woman waits to vote during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Ordizia, Spain July 12, 2020. REUTERS/Vincent West

People maintain social distancing before voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Ordizia, Spain July 12, 2020. REUTERS/Vincent West

A woman waits to vote during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Ordizia, Spain July 12, 2020. REUTERS/Vincent West

A woman wearing a protective face mask votes during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

A man votes at a polling station during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu leaves a polling station after voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu talks to reporters after voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu leaves a polling station after voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu votes during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Basque premier Inigo Urkullu arrives to vote during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Ballot papers are displayed at a polling station before the start of the voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Workers organize papers at a polling station before the start of the voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Workers organize papers at a polling station before the start of the voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

Workers organize papers at a polling station before the start of the voting during the Basque regional elections, amid the coronavirus disease (COVID-19) outbreak, in Durango, Spain July 12, 2020. REUTERS/Vincent West

A worker wearing a protective face mask arranges ballot papers at a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

A worker wearing a protective face mask places hand cleaning gel at the entrance to a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

A worker wearing a protective face mask helps to prepare a polling station ahead of Basque regional elections on Sunday, next to floor markers, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

A worker wearing a protective face mask carries an urn at a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

A worker wearing a protective face mask helps to prepare a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

A worker wearing a protective face mask arranges an urn at a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

Workers wearing protective face masks arrange ballot papers at a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

Workers wearing protective face masks arrange ballot papers at a polling station ahead of Basque regional elections on Sunday, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, July 10, 2020. REUTERS/Vincent West

Basque Government Culture Chief Bingen Zupiria and Guggenheim Museum Director Juan Ignacio Vidarte talk outside the museum on the day it reopens its doors following a three-month closure, amid the coronavirus disease (COVID-19) outbreak, in Bilbao, Spain, June 1, 2020. REUTERS/Vincent West

Students at the Axular Lizeoa wait to attend classes as the Basque country became the first region in Spain to receive a limited number of pupils, amid the coronavirus disease (COVID-19) outbreak, in San Sebastian, Spain, May 25, 2020. REUTERS/Vincent West

Teachers at the Axular Lizeoa talk before classes as the Basque country became the first region in Spain to receive a limited number of pupils, amid the coronavirus disease (COVID-19) outbreak, in San Sebastian, Spain, May 25, 2020. REUTERS/Vincent West

Students at the Axular Lizeoa attend classes as the Basque country became the first region in Spain to receive a limited number of pupils, amid the coronavirus disease (COVID-19) outbreak, in San Sebastian, Spain, May 25, 2020. REUTERS/Vincent West