Demolition work at the site of a collapsed hotel in western Germany has begun in an effort to recover a second body, believed to be that of the hotel owner, police said on Friday. It is still unclear where the man’s body is, a police spokeswoman said. An entire floor of the hotel collapsed late on Tuesday evening, killing two people. Seven others were injured and were rescued after spending several hours trapped in the rubble. A woman’s body has already been recovered. An excavator with an extra-long arm started at the gable end of the building in the town of Kröv, on the Moselle river. Heavy …