Chinese farmer Wu Yulu (L), 41, controls his robot "Lao Wu" to install a electric bulb as his son watches at his home on the outskirts of Beijing September 3, 2003. Wu, who only managed to finish primary education, started to build robots for fun more than a decade ago. The fifth generation of his remote-controlled robots, which can do simple household chores, have attracted nationwide publicity and interest from government institutions.