Visitors chat with each other during the 3rd annual Street Food Festival in Athens, Greece, on May 18, 2018. (Photos: Xinhua)

A visitor looks at foods during the 3rd annual Street Food Festival in Athens, Greece, on May 18, 2018.

Chefs work during the 3rd annual Street Food Festival in Athens, Greece, on May 18, 2018.

A bartender works during the 3rd annual Street Food Festival in Athens, Greece, on May 18, 2018.