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Wu Yulu, a farmer in Tongzhou district, Beijing, has devoted himself to robot invention for more than 30 years.

Wu invented his first walking robot when he was 17, and by now, he has created 60. In 2010, at the 41st World Expo in Shanghai, he was even invited to exhibit his robots on the stage.

The robots he has invented not only walk, but have other abilities also, such as writing, drawing and harvesting corps. Usually, inventing robots needs higher education and technical knowledge, but Wu dropped out of school in third grade.

Thanks to perseverance and strong interest in robotics that helped him make his life different from other farmers, according to Wu.

Wu currently works for several robot manufacturing companies, and with the help of his son, who is a university student majoring in computer, Wu's robots can carry out more complicated tasks and are used in different fields.