9.2K views · 134 reactions | Hero, 2002  The lake scenes took about three weeks to film because director Yimou Zhang insisted that the lake's surface had to be perfectly still and mirror-like during filming. Due to the natural currents, this occurred every day for only two hours starting at 10am. To adjust to this phenomenon, the filmmakers started their days at 5am to begin five hours of preparation and set-up. | FilmFreeway | Facebook