NEW YORK - CIRCA MARZO 2016: interno del ristorante McDonald's. McDonald's è la più grande catena al mondo di fast food per hamburger, fondata negli Stati Uniti . - Foto e immagini stock

NEW YORK - CIRCA MARCH, 2016: inside of McDonald's restaurant. McDonald's is the world's largest chain of hamburger fast food restaurants, founded in the United States.

NEW YORK - CIRCA MARCH, 2016: inside of McDonald's restaurant. McDonald's is the world's largest chain of hamburger fast food restaurants, founded in the United States.

RUSSIA, SAINT PETERSBURG - CIRCA OCTOBER, 2017: Inside of Burger King restaurant

SAINT PETERSBURG, RUSSIA -NOVEMBER 10, 2016: barista making coffee at Starbucks at Pulkovo Airport

PATTAYA, THAILAND - FEBRUARY 21, 2016: worker at McCafe in Thailand. McCafe is a coffee-house-style food and drink chain, owned by McDonald's.

Moscow, Russia - October 25. 2015. The workers fast food restaurant KFC

PATTAYA, THAILAND - FEBRUARY 22, 2016: Kentucky Fried Chicken in Pattaya. Kentucky Fried Chicken is a fast food restaurant chain that specializes in fried chicken.

NEW YORK, USA - CIRCA MARCH, 2016: inside of McDonald's restaurant. McDonald's is the world's largest chain of hamburger fast food restaurants, founded in the United States.

KALININGRAD, RUSSIA - CIRCA SEPTEMBER, 2018: worker in McDonald's restaurant. McDonald's is an American fast food company.

SAINT PETERSBURG, RUSSIA - MARCH 12, 2016: worker at Starbucks Cafe. Starbucks Corporation is an American global coffee company and coffeehouse chain based in Seattle, Washington

NEW YORK - CIRCA MARCH, 2016: inside of McDonald's restaurant. McDonald's is the world's largest chain of hamburger fast food restaurants, founded in the United States.

MOSCOW, RUSSIA - CIRCA SEPTEMBER, 2018: indoor portrait of young worker in McDonald's restaurant in Moscow.

MILAN, ITALY - CIRCA NOVEMBER, 2017: customers at a McDonald's restaurant in Milan.

CHICAGO, IL - CIRCA MARCH, 2016: indoor portrait of staff at Dunkin' Donuts in Chicago.

SHENZHEN, CHINA - JANUARY 22, 2016: inside of Starbucks Cafe. Starbucks Corporation is an American global coffee company and coffeehouse chain based in Seattle, Washington

SHENZHEN, CHINA - JANUARY 22, 2016: inside of Starbucks Cafe. Starbucks Corporation is an American global coffee company and coffeehouse chain based in Seattle, Washington