Carnevale di Venezia - It always takes place during the ten days leading up to Shrove Tuesday. Carnival, being a pre-Lent festival, means 'farewell to meat' and is celebrated throughout Italy. It is a great excuse to don a mask and costume.
Carnevale di Venezia, Italia I think the plain white masks contrast quite nicely with the vividly bright colours of the costume. I think that tulle stuff can be found at most craft stores.in most colors too.