Ukraine's National Olympic Committee (NOC) presented the specially designed stamp and envelope for the flashmob "Wishing victory!" during a departure ceremony to Ukrainian national team for Olympic Games 2016 in Rio de Janeiro.
Volodymyr Taran with NOC workers created the design of the stamp and envelope.
Everyone can take part in this flashmob. All you need is to write a letter to a sportsman, put it in this special envelope with the stamp and send it to the NOC. The participants also need to put flashmob hashtag #UWinRio.
All the letters will be given to the sportsmen personally.
The letters will take part in the giveaway from the National Olympic Committee.