US tennis player Venus Williams looks at her hand as her fingernails are adorned with US national colors during a press conference at the Olympic Stadium in Londo.
Britain's Union flag is painted onto the fingernails of Great Britain Olympic archer Alison Williamson at the London 2012 Olympic Village in east London.
French swimmer Margaux Farrell at a press conference at the French House in London.
Hungarian swimmer Suzana Jacobos poses during a training session at the Aquatics center in London.
Kristina Vogel of the German track cycling team painted her nails with the colours of her national flag.
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