Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]

Students from Dalian Naval Academy take a graduation photo on the deck of a training vessel during their graduation practice in June 2018. [Photo provided to chinadaily.com.cn]