A heroic worker held up a 3-year-old boy hanging from a second-floor window for half an hour until the help arrived in southern China.<br /><br />The video, filmed in the city of Shenzhen in Guangdong Province on August 23, shows a man inside the flat trying to lift the boy up, while a worker with a helmet climbed up to the first floor of the building and held the boy from the bottom.<br /><br />After the firefighters arrived, they cut the security bars to open and brought the boy back to safety with the man and the worker.<br /><br />According to reports, the boy's grandmother went out shopping when he was sleeping. <br /><br />After the boy woke up, he climbed onto the window to try to find his grandmother and accidentally fell out of it.<br /><br />The video was provided by local media with permission.