One of the tourists, Frank Mulliez, 27, a French entrepreneur, finds a frozen frog in the ice cooler.

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London's French-expat scene congregates in Frog Alley, otherwise known as South Kensington, which is home to the Ampersand, a hotel opened in August 2012.

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Frank Mulliez, 27, a member of the billionaire French family behind the Auchan retail empire, finds a frozen frog in the ice cooler.

FORBES: Painful pleasure

The alleged French obsession with odd culinary dishes which earned its people the term "frog" in the English vernacular, has earned Paris the reputation as the world's gastronomic capital, even when other cities now arguably have equal claim to the title.

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