A farmer plows a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

A farmer works at a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

A farmer has a rest after working in a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

A boy runs through a sunflower field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

A farmer plows a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

Farmers have a rest after working in a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

A farmer plows a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)

A sunflower is seen in a field at a village near Kumanovo, North Macedonia, on June 29, 2020. A heat wave hit North Macedonia on Monday and the temperature reached 38 degrees Celsius. (Photo by Tomislav Georgiev/Xinhua)