Meritxell Arias, dog-assisted intervention technician and AAS DISCAN founder, salutes dog assistant Niko during her visit to Hector Aguera and family in Terrassa, during the coronavirus pandemic near Barcelona, Spain, November 25, 2020. Picture taken November 25, 2020. REUTERS/Albert Gea 

Hector Aguera, who is diagnosed with autism, and his assistant dog Niko go for a walk with his mother Manoli Perez in Terrassa, during the coronavirus pandemic near Barcelona, Spain, November 25, 2020. Picture taken November 25, 2020. REUTERS/Albert Gea 

Hector Aguera, who is diagnosed with autism, and his assistant dog Niko go for a walk with his mother Manoli Perez in Terrassa, during the coronavirus pandemic near Barcelona, Spain, November 25, 2020. Picture taken November 25, 2020. REUTERS/Albert Gea 

Hector Aguera, who is diagnosed with autism, and his assistant dog Niko go for a walk in Terrassa, during the coronavirus pandemic near Barcelona, Spain, November 25, 2020. Picture taken November 25, 2020. REUTERS/Albert Gea 

Rescue workers carry the body of a victim in a stretcher after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers carry the body of a victim in a stretcher after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers remove the body of a victim after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers remove the body of a victim after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers remove the body of a victim after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Firefighters, police and other officials survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Firefighters, police and other officials survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

A worker investigates the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Rescue workers survey the scene after a commuter train derailed between Terrassa and Manresa, outside Barcelona, Spain, November 20, 2018. REUTERS/Albert Gea 

Catalan National Assembly (ANC) member and public worker of the Terrassa's town hall, Pep Rovira, places a sticker with the number five on a banner during a protest in favor of the banned October 1 independence referendum at Catalunya square in Barcelona, Spain, September 26, 2017. The banner reads, "Referendum. Where everything starts. 5 days left". REUTERS/Jon Nazca 

Catalan Mossos d'Esquadra officers prohibit Catalan National Assembly (ANC) member and public worker of the Terrassa's town hall, Pep Rovira, his protest in favor of the banned October 1 independence referendum at Catalunya square in Barcelona, Spain, September 26, 2017. REUTERS/Jon Nazca 

Catalan National Assembly (ANC) member and public worker of the Terrassa's town hall, Pep Rovira, rolls up a banner after Catalan Mossos d'Esquadra officers prohibited his protest in favor of the banned October 1 independence referendum at Catalunya square in Barcelona, Spain, September 26, 2017. The banner reads, "Referendum. Where everything starts. 5 days left". REUTERS/Jon Nazca 

Catalan police officers scuffle with a protestor outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Catalan police officers scuffle with protestors outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 20, 2019 Jordan Spieth of the U.S. walks to the 3rd hole during the third round REUTERS/Jason Cairnduff 

Catalan police officers scuffle with a protestor holding an Estelada (Catalan separatist flag) outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Catalan police officers remove a protestor with an Estelada (Catalan separatist flag) outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Catalan police officers remove a protestor from the street outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Catalan police officers remove a protestor with an Estelada (Catalan separatist flag) outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

A paper copy of a referendum ballot is seen outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

A protestor holds up an Estelada (Catalan separatist flag) outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Protestors shout in front of a Spanish civil guard outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain September 19, 2017. REUTERS/Albert Gea 

Spanish civil guards block a street next to a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain September 19, 2017. REUTERS/Albert Gea 

A Catalan regional police officer and Terrassa city police officer clear a path for an unmarked Spanish civil guard vehicle to leave after carrying out a raid at a Unipost office in search of material for the proposed October 1 referendum, in Terrassa, Spain September 19, 2017. REUTERS/Albert Gea 

A protestor holds a ballot paper with the proposed question for a referendum on breaking away from Spain and a carnation next to a Unipost office that was raided by Spanish civil guards in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

A protestor holds a ballot paper with the proposed question for a referendum on breaking away from Spain as Spanish civil guards block a street next to a Unipost office that was raided by Spanish civil guards in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Protesters block a street next to a Unipost office that was raided by Spanish civil guards in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. The banner reads, "Repression doesn't stop us, Solidarity is our best weapon." REUTERS/Albert Gea 

Spanish civil guards block a street as a Unipost office was raided by Spanish civil guards in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

A man holds up an Estelada (Catalan separatist flag) outside a Unipost office which was raided by Spanish civil guards in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

A man holds up a carnation next to a Spanish civil guard during a raid on a Unipost office in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea TPX IMAGES OF THE DAY 

A civil guard vehicle is covered with carnations placed there by a crowd that formed outside a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

Spanish civil guards block a street next to a Unipost office which was raided in search of material for the proposed October 1 referendum, in Terrassa, Spain, September 19, 2017. REUTERS/Albert Gea 

A member of the "Castellers Minyons de Terrassa" adjusts her belt before forming a human tower or ÒcastellÓ during the festival of the patron saint of Barcelona "The Virgin of Mercy" at Sant Jaume square in Barcelona, Spain, September 20, 2015. The formation of human towers is a tradition in Catalonia dating back to the 18th century. REUTERS/Susana Vera 

Castellers Minyons de Terrassa form a human tower during a demonstration "Human towers for democracy. Catalans want to vote" at Sant Jaume square in Barcelona June 8, 2014. REUTERS/Albert Gea (SPAIN - Tags: POLITICS CIVIL UNREST ELECTIONS) 

Members of "Castellers Minyons de Terrassa" form a human tower as they display a banner during a demonstration, "Human towers for democracy: Catalans want to vote" at Sant Jaume square in Barcelona June 8, 2014. REUTERS/Albert Gea (SPAIN - Tags: POLITICS CIVIL UNREST ELECTIONS) 

Activists of the Mortgage Victims' Platform (PAH) protest against the eviction of residents in a building in Salt, owned by SAREB agency, a Spanish "bad bank" set up to cleanse troubled banks of real estate holdings that went sour in the euro zone crisis, in central Barcelona, November 5, 2013. The flag reads "Stop evictions in PAH Terrassa city". REUTERS/Albert Gea (SPAIN - Tags: CIVIL UNREST POLITICS BUSINESS REAL ESTATE) 

People arrange more than 1,000 lit candles to form the shape of the Catalan Separatist symbol "Estelada" flag, during a gathering in front of Terrassa Townhall near Barcelona June 22, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: POLITICS CIVIL UNREST) 

People arrange more than 1,000 lit candles to form the shape of the Catalan Separatist symbol "Estelada" flag, during a gathering in front of Terrassa Townhall near Barcelona June 22, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: POLITICS CIVIL UNREST) 

People arrange more than 1,000 lit candles to form the shape of the Catalan Separatist symbol "Estelada" flag, during a gathering in front of Terrassa Townhall near Barcelona June 22, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: POLITICS CIVIL UNREST) 

People arrange more than 1,000 lit candles to form the shape of the Catalan Separatist symbol "Estelada" flag, during a gathering in front of Terrassa Townhall near Barcelona June 22, 2013. REUTERS/Gustau Nacarino (SPAIN - Tags: POLITICS CIVIL UNREST) 

The group 'Minyons of Terrassa' forms a human tower called 'Castell' during the annual fiestas of Sant Felix in Vilafranca del Penedes town, near Barcelona August 30, 2011. The formation of human towers is a tradition of Catalonia and between 100 and 200 people are needed to complete a tower. REUTERS/Albert Gea (SPAIN - Tags: SOCIETY) 

A general view of the Caixa Terrassa headquarters (part of Unnim) bank in central Terrassa July 16, 2011. The European Banking Authority (EBA) says 8 banks of 90 failed stress test. The banks need to raise 2.5 billion euros in capital, the EBA said. Five Spanish banks, two Greek banks and one Austrian bank failed the test. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS) 

A general view of the Caixa Terrassa headquarters (part of Unnim) bank in central Terrassa July 16, 2011. The European Banking Authority (EBA) says 8 banks of 90 failed stress test. The banks need to raise 2.5 billion euros in capital, the EBA said. Five Spanish banks, two Greek banks and one Austrian bank failed the test. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS) 

The Caixa Terrassa headquarters (part of Unnim) bank is pictured in central Terrassa July 16, 2011. The European Banking Authority (EBA) says 8 banks of 90 failed stress test. The banks need to raise 2.5 billion euros in capital, the EBA said. Five Spanish banks, two Greek banks and one Austrian bank failed the test. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS) 

A general view of the Caixa Terrassa headquarters (part of Unnim) bank in central Terrassa July 16, 2011. The European Banking Authority (EBA) says 8 banks of 90 failed stress test. The banks need to raise 2.5 billion euros in capital, the EBA said. Five Spanish banks, two Greek banks and one Austrian bank failed the test. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS) 

A general view of the Caixa Terrassa headquarters (part of Unnim) bank in central Terrassa July 16, 2011. The European Banking Authority (EBA) says 8 banks of 90 failed stress test. The banks need to raise 2.5 billion euros in capital, the EBA said. Five Spanish banks, two Greek banks and one Austrian bank failed the test. REUTERS/Albert Gea (SPAIN - Tags: BUSINESS) 

The group 'Minyons de Terrassa' form a human tower called 'Castell' at Sant Jaume square during the annual festival of 'La Merce' in Barcelona September 26, 2010. The formation of human towers is a tradition in the area of Catalonia and between 100 and 200 people are needed to complete a tower. REUTERS/Albert Gea (SPAIN - Tags: SOCIETY) 

The group "Minyons of Terrassa" fall as they attempt to form a human tower called "Castell" during the annual fiestas of "San Felix" in Vilafranca del Penedes, near Barcelona August 30, 2007. The formation of human towers is a tradition of Catalonia and between 100 and 200 people are needed to complete a tower. REUTERS/Albert Gea (SPAIN) 

The group "Minyons of Terrassa" form a human tower called "Castell" during the annual fiestas of "San Felix" in Vilafranca del Penedes, near Barcelona August 30, 2007. The formation of human towers is a tradition of Catalonia and between 100 and 200 people are needed to complete a tower. REUTERS/Albert Gea (SPAIN)