The Duchess of Cambridge met with the various supporters involved in attempting to launch a UK team in sailing's premier competition, the America's cup.
Kate met with crew and boat designers outside the National Maritime Museum in Greenwich, and will be shown an America's Cup class boat inside.
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There will be patchy light rain across the UK, but sunny spells in the west.
Research conducted on behalf of Facebook shows women face a number of hurdles when it comes to launching a start-up.
The 650-feet long hole emerged after a water main burst near the 14th-century Ponte Vecchio bridge.