Soldiers take part in a parade during the opening ceremony of "Quick Response 19" exercise in Sarajevo, Bosnia and Herzegovina, on Oct. 6, 2019. "Quick Response 19," a peace support operation exercise led by European Union Force Bosnia and Herzegovina (EUFOR), officially started here on Sunday afternoon at EUFOR Headquarters in the BiH capital with a military parade. (Photos: Xinhua)

Soldiers attend the opening ceremony of "Quick Response 19" exercise in Sarajevo, Bosnia and Herzegovina, on Oct. 6, 2019. "Quick Response 19," a peace support operation exercise led by European Union Force Bosnia and Herzegovina (EUFOR), officially started here on Sunday afternoon at EUFOR Headquarters in the BiH capital with a military parade.

Soldiers take part in a parade during the opening ceremony of "Quick Response 19" exercise in Sarajevo, Bosnia and Herzegovina, on Oct. 6, 2019. "Quick Response 19," a peace support operation exercise led by European Union Force Bosnia and Herzegovina (EUFOR), officially started here on Sunday afternoon at EUFOR Headquarters in the BiH capital with a military parade.

Soldiers take part in a parade during the opening ceremony of "Quick Response 19" exercise in Sarajevo, Bosnia and Herzegovina, on Oct. 6, 2019. "Quick Response 19," a peace support operation exercise led by European Union Force Bosnia and Herzegovina (EUFOR), officially started here on Sunday afternoon at EUFOR Headquarters in the BiH capital with a military parade.

Soldiers take part in a parade during the opening ceremony of "Quick Response 19" exercise in Sarajevo, Bosnia and Herzegovina, on Oct. 6, 2019. "Quick Response 19," a peace support operation exercise led by European Union Force Bosnia and Herzegovina (EUFOR), officially started here on Sunday afternoon at EUFOR Headquarters in the BiH capital with a military parade.

Soldiers take part in a parade during the opening ceremony of "Quick Response 19" exercise in Sarajevo, Bosnia and Herzegovina, on Oct. 6, 2019. "Quick Response 19," a peace support operation exercise led by European Union Force Bosnia and Herzegovina (EUFOR), officially started here on Sunday afternoon at EUFOR Headquarters in the BiH capital with a military parade.