P174 CEEFAX 174 Fri 6 May 21:13/23   -n2n1  FROM -/.%/.)/,  NEWSROUND  SUNDAY OPEN DAY FOR BRJTcIN'U MILLS Britain's mills are being opened 5p to the public this weekend. National Mills Day takes place on Sunday. More than 300 water and windmills are opening thieu doors. $hj idea is to give people a chance to see how traditional mills work. One of the mills that's expected to draw the crowds is Preston Wbtermill, near Bath. It's the oldest in the would, having been in continuous use for -5 over 1000 years!  Next News Contacts PP Info PP Rjpts