British Prime Minister Theresa May welcomes French President Emmanuel Macron for a high-profile Franco-British summit expected to focus on migration and Brexit.
Nationalists on the French Mediterranean island of Corsica have cemented gains in regional elections, underpinned by their demands for greater autonomy from Paris.
Many companies have already drawn contingency plans in case Britain makes an uncontrolled departure from the EU, according to the Confederation of British Industry (CBI), which also attended the meeting with May.
France and Germany have been the main forces behind European integration and the relationship between their respective leaders has been intrinsic to the development of the European Union.
In the peaceful vineyards of France's Bordeaux region, a potential EU crackdown on a popular weedkiller over cancer fears is adding to winemakers' worries.