As various Chinese media say, "The Crossing" shooting process proceeds even in the 6 degree cold. There are photos from the stage uploaded on the different sites showing that Takeshi Kaneshiro and Masami Nagasawa are in front of the camera only is Summer clothes but the temperature is cold.
Images source: appledaily.com.tw
As soon as the shot is done actors immediately wear coats of course. Still that has made media worried. I guess all pf the fans are also worried about the actors.
Here is the video from the news in China too.