Croatian firefighters participate in exercise in coordination with military helicopter
People's Daily
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![](https://cdnpdcontent.aikan.pdnews.cn/20200604/2e0a8fe7ba78428cb49b0701c3b26398.jpg)
Croatian firefighters participate in an exercise in coordination with a military helicopter in Medulin, Croatia, on June 3, 2020. (Srecko Niketic/Pixsell via Xinhua)
![](https://cdnpdcontent.aikan.pdnews.cn/20200604/11cd113e2a9d4dfdb1d9b0a612c11c10.jpg)
Croatian firefighters participate in an exercise in coordination with a military helicopter in Medulin, Croatia, on June 3, 2020. (Srecko Niketic/Pixsell via Xinhua)