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Qatari policemen ride camels during Qatar's National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)
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Aircrafts perform during Qatar's National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)
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Paratroopers from the Qatari armed forces take part in Qatar's National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)
![Paratroopers from the Qatari armed forces take part in Qatar\'s National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/12/19/44fdd54b372848fab9f9f6e55c2af19c.jpg)
Paratroopers from the Qatari armed forces take part in Qatar's National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)
![Military aircrafts take part in Qatar\'s National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)](http://www.ecns.cn/hd/2018/12/19/e992c95f061d4d1c973afa0c0d205112.jpg)
Military aircrafts take part in Qatar's National Day celebrations in Doha, Qatar, Dec. 18, 2018. (Photo/Agencies)