March 20 is International Happiness Day — a day that the United Nations had dedicated to the celebration of joy. We asked photographers around the world to share a picture that can bring bliss.

Choose from Smiley Face Images Clip Art stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

Choose from Clip Art Of Pic Of Smiley Face stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...