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THE WHOLE SENTENCE:
LIU HENGQING is 66. In 2007, after more than 30 years of marriage, she and her husband left Jian’ou, the town in Fujian province in southern China where they had lived until then, and followed in their children’s footsteps—she to the provincial capital, Fuzhou, to take care of a newborn grandson, he to Xiamen, 250km (150 miles) away, to look after a granddaughter.
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I THINK IT MEANS
...,and she followed in their children's footsteps to the provincial capital,...
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