The Duke and Duchess of Cambridge, Prince William and his pregnant wife Catherine, on Thursday began their two day visit to Scotland.<br/> <br />In the morning they toured the Emirates Arena in Glasgow, which will become one of the venues for the 2014 Commonwealth Games.<br/> <br />The Duchess, wearing a tartan mid-length coat over her pregnancy bump and William chatted to young athletes as they watched cyclists in the velodrome.<br/> <br />Later on Thursday the royal pair will visit a homeless charity. The Prince is due to make a Skypeweb call to two homeless Scots in Holland who are taking part in an exchange programme for rough sleepers.
