THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: A view of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )

THESSALY, GREECE - MARCH 05: People take photos of scenery of Meteora Valley in Trikala district of Thessaly, Greece on March 5, 2019. UNESCO World Heritage Site "Meteora", which was consisted of 24 monasteries in the sixteenth century but today there are six still functioning (two of them belong to nuns), built on high rock faces that are as much as 550 meters high and attract many tourists each year. ( Ayhan Mehmet - Anadolu Agency )