Same here. "tank man" image search in Bing returns absolutely no result. However "tank man tiananmen square" returns images but half of them with no image of a tank.
Overtime is a big wildcard. As salaried the overtime is often part of the company culture, so not that easy to escape or ride out. As self-employed, the overtime should be specified in the contract, or if not then just ride it out until contract is over.