A bench is seen on a beach in Prapratno, Croatia, May 11, 2020. REUTERS/Antonio Bronic

A boat is seen on a beach in Prapratno, Croatia, May 11, 2020. REUTERS/Antonio Bronic

A boat is seen on a beach in Prapratno, Croatia, May 11, 2020. REUTERS/Antonio Bronic

An empty beach is seen in Prapratno, Croatia, May 11, 2020. REUTERS/Antonio Bronic

A plate of fresh oysters is pictured on a table in Mali Ston, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

Oyster producer Zdravko Lazic inspects oysters from a boat at his farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

Oyster producer Zdravko Lazic drives a boat at an oyster farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

Oyster producer Zdravko Lazic drives a boat at an oyster farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

An underwater view of an oyster farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

Oyster producer Zdravko Lazic inspects oysters at his farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic TPX IMAGES OF THE DAY

An underwater view of an oyster farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

An underwater view of an oyster farm in Brijesta, Croatia, May 10, 2020. Picture taken May 10, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic carry boat during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic carry a boat after the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen rowing during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic push boat from shore as they start with the training at Zagreb's lake Jarun after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

Brothers Valent and Martin Sinkovic are seen resting during the training after the relaxation of the coronavirus disease (COVID-19) restrictions, in Zagreb's lake Jarun, Croatia, May 4, 2020. Picture taken May 4, 2020. REUTERS/Antonio Bronic

A believer attends the first mass open to the public after the 45-day-long closure of church services due to the spread of the coronavirus disease (COVID-19), in Zagreb, Croatia, May 2, 2020. REUTERS/Antonio Bronic

Believers attend the first mass open to the public, after the 45-day-long closure of church services due to the spread of the coronavirus disease (COVID-19), in Zagreb, Croatia, May 2, 2020. REUTERS/Antonio Bronic

Believers attend the first mass open to the public, after the 45-day-long closure of church services due to the spread of the coronavirus disease (COVID-19), in Zagreb, Croatia, May 2, 2020. REUTERS/Antonio Bronic

Believers attend the first mass open to the public, after the 45-day-long closure of church services due to the spread of the coronavirus disease (COVID-19), in Zagreb, Croatia, May 2, 2020. REUTERS/Antonio Bronic

A couple is seen in front of a shoe store as Croatia eases the measures to fight the coronavirus disease (COVID-19) outbreak, in downtown Zagreb, Croatia April 27, 2020. REUTERS/Antonio Bronic

A woman sells strawberries as Croatia eases the measures to fight the coronavirus disease (COVID-19) outbreak, in downtown Zagreb, Croatia April 27, 2020. REUTERS/Antonio Bronic

A woman sells strawberries as Croatia eases the measures to fight the coronavirus disease (COVID-19) outbreak, in downtown Zagreb, Croatia April 27, 2020. REUTERS/Antonio Bronic

A crane is holding the north tower of Zagreb's Cathedral during its removal, due to the threat of collapsing after being heavily damaged during the earthquake of March 22, in Zagreb, Croatia, April 17, 2020. REUTERS/Antonio Bronic

A crane is holding the north tower of Zagreb's Cathedral during its removal, due to the threat of collapsing after being heavily damaged during the earthquake of March 22, in Zagreb, Croatia, April 17, 2020. REUTERS/Antonio Bronic

Workers are seen during the removal of the Zagreb's Cathedral north tower, that is in threat of collapsing after being heavily damaged during the earthquake of March 22, in Zagreb, Croatia, April 17, 2020. REUTERS/Antonio Bronic

Workers are seen during the removal of the Zagreb's Cathedral north tower, that is in threat of collapsing after being heavily damaged during the earthquake of March 22, in Zagreb, Croatia, April 17, 2020. REUTERS/Antonio Bronic

Cranes are seen during the removal of Zagreb's Cathedral north tower, that is in threat of collapsing after being heavily damaged on the earthquake of March 22, in Zagreb, Croatia, April 16, 2020. REUTERS/Antonio Bronic

Cranes are seen during the removal of Zagreb's Cathedral north tower, that is in threat of collapsing after being heavily damaged on the earthquake of March 22, in Zagreb, Croatia, April 16, 2020. REUTERS/Antonio Bronic

Cranes are seen during the removal of Zagreb's Cathedral north tower, that is in threat of collapsing after being heavily damaged on the earthquake of March 22, in Zagreb, Croatia, April 16, 2020. REUTERS/Antonio Bronic

Workers are seen during the removal of the Zagreb's Cathedral north tower, that is in threat of collapsing after being heavily damaged on the earthquake of March 22, in Zagreb, Croatia, April 16, 2020. REUTERS/Antonio Bronic

Priest Ivan Matic walks with a cross and blesses believers during Easter, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia April 12, 2020. REUTERS/Antonio Bronic

Priest Ivan Matic walks with a cross and blesses believers during Easter, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia April 12, 2020. REUTERS/Antonio Bronic

Priest Ivan Matic walks with a cross and blesses believers during Easter, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia April 12, 2020. REUTERS/Antonio Bronic

Priest Ivan Matic walks with a cross and blesses believers during Easter, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia April 12, 2020. REUTERS/Antonio Bronic

Priest Ivan Matic walks with a cross and blesses believers during Easter, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia April 12, 2020. REUTERS/Antonio Bronic

The Pink Supermoon is seen rising behind a cross of Saint Mary's Church in Zagreb, Croatia, April 7, 2020. REUTERS/Antonio Bronic

The Pink Supermoon rises over Zagreb Cathedral, in Zagreb, Croatia, April 7, 2020. REUTERS/Antonio Bronic TPX IMAGES OF THE DAY

The Pink Supermoon is seen rising behind a cross of Saint Mary's Church in Zagreb, Croatia, April 7, 2020. REUTERS/Antonio Bronic

The Pink Supermoon is seen rising behind a cross of Saint Mary's Church in Zagreb, Croatia, April 7, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Priest Robert Sreter walks with a cross and blesses believers during Palm Sunday, amid the coronavirus disease (COVID-19) outbreak and in the aftermath of the earthquake that hit the country on March 22, in Zagreb, Croatia, April 5, 2020. REUTERS/Antonio Bronic

Soldiers carry a painting out of Franciscan monastery of Saint Franje Asiskog in downtown Zagreb, Croatia, March 25, 2020, as the country is fighting coronavirus disease (COVID-19) outbreak and the aftermath of an earthquake that hit the country on March 22. REUTERS/Antonio Bronic

A man walks next to a repaired broken heart made of wool by Croatian designer Ivona, put on a building in downtown Zagreb, Croatia, March 25, 2020, as the country is fighting coronavirus disease (COVID-19) outbreak and the aftermatch of an earthquake that hit the country on March 22. REUTERS/Antonio Bronic

A man walks next to a repaired broken heart made of wool by Croatian designer Ivona, put on a building in downtown Zagreb, Croatia, March 25, 2020, as the country is fighting coronavirus disease (COVID-19) outbreak and the aftermatch of an earthquake that hit the country on March 22. REUTERS/Antonio Bronic