Crufts, the world's most famous dog show , is back at the NEC in Birmingham as more than 150,000 visitors are expected over the next few days. Thousands of canines take part in Crufts every March, with owners hoping to win the ultimate title Best in Show, which comes with a cash prize and a trophy. The show returns on Thursday and will continue for four days, with overseas entries hitting an all time high. Named after its founder Charles Cruft , the dog show took place for the first time in