A view of La Verja (The Gate), which marks the border between Spain and Gibraltar, in front of the Rock, on the first day of work following the end of the transition period and the post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

Workers cross the border from Gibraltar to Spain, in front of the Rock, after their work day following the end of the transition period and the post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

Spanish national policemen guard the border between Spain and Gibraltar, on the first day of work following the end of the transition period and the post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

A worker rides past to La Verja (The Gate), the border between Spain and Gibraltar, on the first day of work following the end of the transition period and the post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

A general view of the Rock of Gibraltar landmark at dawn, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

A view shows the Rock of Gibraltar landmark at dawn, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

A painting of the Rock of Gibraltar made out of tiles is pictured inside a Spanish residential building, near the border between Spain and Gibraltar, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

A view of the border between Spain and Gibraltar, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

Tourists walk at the border between Spain and Gibraltar, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

Workers wait to cross the border between Spain and Gibraltar, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

A worker walks past the border between Spain and Gibraltar, on the first day of work following a post-Brexit deal, in La Linea de la Concepcion, Spain January 4, 2021. REUTERS/Jon Nazca

Monkeys sit on the top of the Rock in the British overseas territory of Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the border between the British overseas territory of Gibraltar and Spain, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

Tourist binoculars offer users the chance to pay in Pounds or Euros, on top of the Rock in the British overseas territory of Gibraltar, historically claimed by Spain, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the tarmac of the Gibraltar International Airport and the border (C) of the British overseas territory of Gibraltar (bottom) with the Spanish city of La Linea de la Concepcion (top), are seen from the Rock of Gibraltar landmark, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

Flamingos fly over the Rock of Gibraltar landmark, near the border of Spain with Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A cemetery is seen from the Rock of Gibraltar landmark, near the border of Spain with Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

The Gibraltarian and Britain's Union Jack flags fly at the border of Spain with Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A man crosses the tarmac of the Gibraltar International Airport near the border between Gibraltar and Spain, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

Pedestrians walk past the border between Spain and Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

Pedestrians cross the tarmac of the Gibraltar International Airport near the border between Gibraltar and Spain, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

Spanish tourists show their Spanish ID cards to a Gibraltarian police officer as they cross the border of Spain with Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the border between the British overseas territory of Gibraltar (bottom) and the Spanish city of La Linea de la Concepcion (top), is seen from the Rock of Gibraltar landmark, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A driver shows his passport to a Gibraltarian police officer as he crosses the border of Spain with Gibraltar, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the border between the British overseas territory of Gibraltar (bottom) and the Spanish city of La Linea de la Concepcion (top), is seen from the Rock of Gibraltar landmark, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the border between the British overseas territory of Gibraltar (bottom) and the Spanish city of La Linea de la Concepcion (top), is seen from the Rock of Gibraltar landmark, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the border between the British overseas territory of Gibraltar (bottom) and the Spanish city of La Linea de la Concepcion (top), is seen from the Rock of Gibraltar landmark, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

Spanish tourists cross the tarmac of the Gibraltar International Airport at the border between Gibraltar and Spain, following a post-Brexit deal, in Gibraltar, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A British family walks at the border between Spain and Gibraltar following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A British family stands at the border between Spain and Gibraltar following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, near La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, near La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A Spanish family crosses the border from Spain to Gibraltar in front of the Rock landmark following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A view of the Rock of Gibraltar landmark following a post-Brexit deal, near La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

A British family crosses the border from Spain to Gibraltar in front of the Rock landmark following a post-Brexit deal, in La Linea de la Concepcion, Spain, January 1, 2021. REUTERS/Jon Nazca

General view of the British overseas territory of Gibraltar night skyline, historically claimed by Spain, after Britain and the European Union agreed terms of a trade deal on Brexit on Thursday, seen from La Linea de la Concepcion, southern Spain, December 24, 2020. Picture taken with long exposure. REUTERS/Jon Nazca

Gibraltarian citizens are seen on the screen of a mobile phone as they pose for a photo in front of the Rock of the British overseas territory of Gibraltar, historically claimed by Spain, as they cross the country's border from Spanish side after spending the Christmas Eve day in Spain, as Britain and the European Union agreed terms of a trade deal on Brexit on Thursday, in La Linea de la Concepcion, southern Spain, December 24, 2020. REUTERS/Jon Nazca

Gibraltarian citizens cross the country's border from Spanish side after spending the Christmas Eve day in Spain, in front of the Rock of the British overseas territory of Gibraltar, historically claimed by Spain, after Britain and the European Union agreed terms of a trade deal on Brexit on Thursday, in La Linea de la Concepcion, southern Spain, December 24, 2020. REUTERS/Jon Nazca

Drivers cross the Gibraltar border from Spain side in front of the Rock of the British overseas territory of Gibraltar, historically claimed by Spain, after Britain and the European Union agreed terms of a trade deal on Brexit on Thursday, in La Linea de la Concepcion, southern Spain, December 24, 2020. REUTERS/Jon Nazca

A person crosses the Spanish border from Gibraltar side in front of the Rock of the British overseas territory of Gibraltar, historically claimed by Spain, after Britain and the European Union agreed terms of a trade deal on Brexit on Thursday, in La Linea de la Concepcion, southern Spain, December 24, 2020. REUTERS/Jon Nazca

A woman crosses the Spanish border from Gibraltar side in front of the Rock of the British overseas territory of Gibraltar, historically claimed by Spain, after Britain and the European Union agreed terms of a trade deal on Brexit on Thursday, in La Linea de la Concepcion, southern Spain, December 24, 2020. REUTERS/Jon Nazca

Passengers cross the tarmac of the Gibraltar International Airport as they walk to the Spanish border, after the Spanish government announced it will ban all travelers from Britain, except Spanish nationals and residents, from entering the country from Tuesday amid concerns over a rapidly spreading new strain of the coronavirus, in Gibraltar December 21, 2020. REUTERS/Jon Nazca

The Rock of Gibraltar is pictured from La Linea de la Concepcion, southern Spain, December 21, 2020. REUTERS/Jon Nazca

Passengers walk out of the Gibraltar International Airport after the Spanish government announced it will ban all travelers from Britain, except Spanish nationals and residents, from entering the country from Tuesday amid concerns over a rapidly spreading new strain of the coronavirus, in Gibraltar December 21, 2020. REUTERS/Jon Nazca

An aircraft of the British Airlines takes off at the Gibraltar International Airport, after the Spanish government announced it will ban all travelers from Britain, except Spanish nationals and residents, from entering the country from Tuesday amid concerns over a rapidly spreading new strain of the coronavirus, in Gibraltar December 21, 2020. REUTERS/Jon Nazca

Passengers pull their suitcases after arriving at the Gibraltar International Airport, after the Spanish government announced it will ban all travelers from Britain, except Spanish nationals and residents, from entering the country from Tuesday amid concerns over a rapidly spreading new strain of the coronavirus, in Gibraltar December 21, 2020. REUTERS/Jon Nazca

Passengers cross the tarmac of the Gibraltar International Airport as they walk to Spain, after the Spanish government announced it will ban all travelers from Britain, except Spanish nationals and residents, from entering the country from Tuesday amid concerns over a rapidly spreading new strain of the coronavirus, in Gibraltar December 21, 2020. REUTERS/Jon Nazca

Passengers walk out of the Gibraltar International Airport after the Spanish government announced it will ban all travelers from Britain, except Spanish nationals and residents, from entering the country from Tuesday amid concerns over a rapidly spreading new strain of the coronavirus, in Gibraltar December 21, 2020. REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Gibraltar's Dayle Coleing and teammates celebrate at the end of the match REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Gibraltar's Kian Ronan celebrates at the end of the match REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Gibraltar players celebrate at the end of the match REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Liechtenstein coach Helgi Kolviosson REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Liechtenstein's Fabio Wolfinger in action with Gibraltar's Jack Sergeant REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Liechtenstein's Noah Frick scores their first goal REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Liechtenstein's Noah Frick celebrates scoring their first goal with teammates REUTERS/Jon Nazca

Soccer Football - UEFA Nations League - Group N - Gibraltar v Liechtenstein - Victoria Stadium, Gibraltar - November 17, 2020 Liechtenstein's Nicolas Hasler reacts on the ground REUTERS/Jon Nazca