The small town of Olney,in England,is very famous on one Tuesday every year.Shrove Tuesday is in February,and it's a special day. In some places, this is called Carnival or Mardi Gras,but in the U.K. it's called Pancake Day.Traditionally,this is a day when people empty their kitchen cabinets to use up foods like eggs and butter.They make a lot of delicious pancakes and eat them with lemon juice and sugar.So why is Olney famous on Shrove Tuesday?