ROMA, ITALIA - CIRCA AGOSTO, 2015: personas en la zona de check-in en Roma - Aeropuerto Internacional de Fiumicino "Leonardo da Vinci ". - Foto e imagen de stock

ROME, ITALY - CIRCA AUGUST, 2015: people at check-in area in Rome - Fiumicino International Airport "Leonardo da Vinci".

ROME, ITALY - CIRCA AUGUST, 2015: people at check-in area in Rome - Fiumicino International Airport "Leonardo da Vinci".

ROME, ITALY - CIRCA AUGUST, 2015: people at check-in area in Rome - Fiumicino International Airport "Leonardo da Vinci".

ROME, ITALY - CIRCA AUGUST, 2015: people at check-in area in Rome - Fiumicino International Airport "Leonardo da Vinci".

ROME, ITALY - AUGUST 16, 2015: passengers check-in area in FCO airport. Fiumicino - Leonardo da Vinci International Airport is a major international airport in Rome, Italy

ROME, ITALY - AUGUST 16, 2015: departure floor of Fiumicino Airport. Fiumicino - Leonardo da Vinci International Airport is a major international airport in Rome, Italy

ROME, ITALY - CIRCA AUGUST, 2015: people at check-in area in Rome - Fiumicino International Airport "Leonardo da Vinci".

ROME, ITALY - CIRCA AUGUST, 2015: check-in area in Rome - Fiumicino International Airport "Leonardo da Vinci".

HONG KONG - NOVEMBER 15, 2015: passengers in Hong Kong Airport. Hong Kong International Airport is the main airport in Hong Kong.

HONG KONG - CIRCA NOVEMBER, 2016: inside of Hong Kong International Airport. It is the main airport in Hong Kong. The airport is located on the island of Chek Lap Kok

ROME, ITALY - AUGUST 16, 2015: people use self check-in kiosks in Fiumicino Airport. Fiumicino - Leonardo da Vinci International Airport is a major international airport in Rome, Italy

MOSCOW, RUSSIA - CIRCA JULY, 2018: passengers looking at flight schedule monitors at Sheremetyevo International Airport terminal.

PRAGUE, CZECH REPUBLIC - AUGUST 18, 2015: airport of Prague interior. International airport of Prague is major airport of Czech Republic

HONG KONG, CHINA - CIRCA FEBRUARY, 2019: Emirates check in area in Hong Kong International airport.

SHENZHEN, CHINA - CIRCA MAY, 2016: inside of Shenzhen Bao'an International Airport. It is located near Huangtian and Fuyong villages in Bao'an District, Shenzhen, Guangdong, China.

BARCELONA, SPAIN - CIRCA NOVEMBER, 2015: inside Barcelona Airport. Barcelona-El Prat Airport is an international airport. It is the main airport of Catalonia, Spain.