
Grilling masters prepare a 65-kilogram burger at the 28th Rostiljijada Barbecue Festival in Leskovac, Serbia, on Aug. 31, 2017.(Xinhua/Nemanja Cabric)

Grilling masters prepare a 65-kilogram burger at the 28th Rostiljijada Barbecue Festival in Leskovac, Serbia, on Aug. 31, 2017.(Xinhua/Nemanja Cabric)