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Highlights from chinadaily.com.cn

Photo: A homemade "robot submarine" is put into the sea for tests in Yantai, Shandong province, on Wednesday. The submarine was made by Zhang Wuyi, 38, a laid-off worker in Wuhan, Hubei province. The machine can dive 30 to 50 meters and advance slowly by remote control.

Video: Race of the ages: At a track event in San Sebastian, two men born in 1918 took to the racetrack to compete in the 100-meter dash. And it was much more intense than you might think.