THIS IS THE MOST BEAUTIFUL PICTURE OF SERBIA TODAY: There is no doubt, they are celebrating Valentine's Day (PHOTO)

Males are dedicated to the family, they help with nest building and they lay on the eggs. If they lose a partner for several seasons, they don't mate at all

Intertwined slender necks of swans that form the heart have become a universal symbol of love and fidelity. Photos of a pair of these elegant birds were taken on the Danube near Novi Sad.

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Their love is always attracted attention, especially on Valentine's Day. 

These beautiful birds are a symbol of love, because they enter into a monogamous relationship that lasts several years, and in some cases entire life.

Males are dedicated to the family, they help with nest building and they lay on the eggs. If they lose a partner for several seasons, they don't mate at all.

(Telegraf.co.uk / Tanjug)