Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece (R) returns the wooden crucifix to Greek Orthodox Ecumenical Patriarch Bartholomew I (C) after retrieving it from the waters of Golden Horn in Istanbul, Turkey, January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew I into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer TPX IMAGES OF THE DAY

Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece, kisses a wooden crucifix in the Golden Horn in Istanbul, Turkey, January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew I into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer 

Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece, kisses a wooden crucifix in the Golden Horn in Istanbul, Turkey, January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew I into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer 

Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece, holds a wooden crucifix in the Golden Horn in Istanbul, Turkey, January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer 

Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece, kisses a wooden crucifix in the Golden Horn in Istanbul, Turkey, January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew I into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer TPX IMAGES OF THE DAY

Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece, kisses a wooden crucifix in the Golden Horn in Istanbul January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer 

Greek Orthodox faithful Nikolas Solis, 28, a pilgrim from Agrinio of Greece, holds a wooden crucifix in the Golden Horn in Istanbul January 6, 2016. Greek Orthodox faithful swam to retrieve the wooden crucifix thrown by Greek Orthodox Ecumenical Patriarch Bartholomew into the Golden Horn in Bosphorus during Epiphany Day celebrations. REUTERS/Murad Sezer 

A worker puts sun-dried tomatoes in glass jars at the Gaea food company in the central Greek town of Agrinio, some 280 km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

An exterior of the Gaea food company in the central Greek town of Agrinio, some 280 km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

A photo illustration shows a selection of Gaea food company products on display in the central Greek town of Agrinio, some 280 km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

A worker pours olive oil into jars of sun-dried tomatoes at the Gaea food company in the central Greek town of Agrinio, some 280 km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

Workers put sun-dried tomatoes in glass jars at the Gaea food company in the central Greek town of Agrinio, some 280 km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

A worker pours olive oil into jars of sun-dried tomatoes at the Gaea food company in the central Greek town of Agrinio, some 280 km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

Workers put sun-dried tomatoes in glass jars at the Gaea food company in the central Greek town of Agrinio, some 280km (174 miles) southwest of Athens February 28, 2012. Gaea - the name means earth - was founded in 1995 by Aris Kefalogiannis, the 52-year-old CEO of a London-based ship repairs company. The firm packages and exports Greek foods such as olives, olive oil and spreads. Turnover has increased by nearly 29 percent a year on average since it opened. Picture taken February 28, 2012. To match Special Report GREECE-WORKS/ REUTERS/Yorgos Karahalis (GREECE - Tags: BUSINESS FOOD) 

Workers pack bottles of olive oil at the Gaea extra virgin olive oil factory near the town of Agrinio about 350 km northwest of Athens, November 28, 2009. A gourmet olive oil producer in Greece is trying to do its part in reducing CO2, becoming the first to be certified internationally as a carbon neutral olive oil producer, and the first company in general in Greece. The Greek company Gaea is the first extra virgin olive oil producer to receive carbon neutral certification status internationally by a high ranking climate watchdog, - and the first carbon neutral company in general in Greece - in an effort to make its mark on the environment. Picture taken November 28, 2009. REUTERS/John Kolesidis (GREECE) 

A female worker packs bottles of olive oil at the Gaea extra virgin olive oil factory near the town of Agrinio about 350 km northwest of Athens, November 28, 2009. A gourmet olive oil producer in Greece is trying to do its part in reducing CO2, becoming the first to be certified internationally as a carbon neutral olive oil producer, and the first company in general in Greece. The Greek company Gaea is the first extra virgin olive oil producer to receive carbon neutral certification status internationally by a high ranking climate watchdog, - and the first carbon neutral company in general in Greece - in an effort to make its mark on the environment. Picture taken November 28, 2009. REUTERS/John Kolesidis (GREECE) 

Workers gather olives from an olive field near the town of Agrinio about 350 km northwest of Athens, November 28, 2009. A gourmet olive oil producer in Greece is trying to do its part in reducing CO2, becoming the first to be certified internationally as a carbon neutral olive oil producer, and the first company in general in Greece. The Greek company 'Gaea' is the first extra virgin olive oil producer to receive carbon neutral certification status internationally by a high ranking climate watchdog, - and the first carbon neutral company in general in Greece - in an effort to make its mark on the environment. Picture taken November 28, 2009. REUTERS/John Kolesidis (GREECE) 

A worker gathers olives from an olive field near the town of Agrinio about 350 km northwest of Athens, November 28, 2009. A gourmet olive oil producer in Greece is trying to do its part in reducing CO2, becoming the first to be certified internationally as a carbon neutral olive oil producer, and the first company in general in Greece. The Greek company 'Gaea' is the first extra virgin olive oil producer to receive carbon neutral certification status internationally by a high ranking climate watchdog, - and the first carbon neutral company in general in Greece - in an effort to make its mark on the environment. Picture taken November 28, 2009. REUTERS/John Kolesidis (GREECE) 

A worker gathers olives from an olive field near the town of Agrinio about 350 km northwest of Athens, November 28, 2009. A gourmet olive oil producer in Greece is trying to do its part in reducing CO2, becoming the first to be certified internationally as a carbon neutral olive oil producer, and the first company in general in Greece. The Greek company 'Gaea' is the first extra virgin olive oil producer to receive carbon neutral certification status internationally by a high ranking climate watchdog, - and the first carbon neutral company in general in Greece - in an effort to make its mark on the environment. Picture taken November 28, 2009. REUTERS/John Kolesidis (GREECE) 

A man waves a flare during Orthodox Good Friday celebrations in the city of Agrinio, about 250 km (155 miles) west of Athens, April 25, 2008. Orthodox Christians will celebrate Easter this weekend. Picture taken late April 25, 2008. REUTERS/Christos Couzis (GREECE) 

Participants wave flares during Orthodox Good Friday celebrations in the city of Agrinio, about 250 km (155 miles) west of Athens, April 25, 2008. Orthodox Christians will celebrate Easter this weekend. Picture taken late April 25, 2008. REUTERS/Christos Couzis (GREECE)