What are our cookies for?


They allow the use of the main features of the site, such as access to your personal account, or memorize the display preferences of your device (language, display settings) and take them into account when of your visits, according to the graphic charter and the software of visualization or reading of your terminal. They also allow us to link the various pages consulted to ensure smooth navigation or to display interactive maps.

To set:

You can completely disable cookies in your browser. In this case our site will not work normally but you can still perform basic actions.

1 / If you use the Internet Explorer browser

  • In Internet Explorer, click the "Tools" button, then "Internet Options".
  • On the Privacy tab, move the cursor up to block all cookies or down to allow all cookies, and then click OK.

2 / If you use the Firefox browser

  • Go to the "Tools" menu of the browser and select the "Options" menu
  • Click on the "privacy" tab, uncheck the "Accept cookies" box and click OK.

3 / If you use the Safari browser

  • In your browser, choose the "Edit" menu and select "Preferences".
  • Click on "Privacy".
  • Set the "Block cookies" setting to "Always" and click OK.

4 / If you use the Google Chrome browser

  • Click the Chrome menu on the browser toolbar.
  • Select "Settings".
  • Click on "Show advanced settings".
  • In the "Privacy" section, click the "Content Settings" button.
  • In the "Cookies" section, select "Prohibit all sites from storing data" and select the "Block cookies and third-party site data" check box, and then click OK.

They allow us to make the site live and to establish statistics and counts of frequentation and use of its headings and contents, to carry out studies to improve the content (measurement of the number of visits, page views or even visitors' activity on the site and their frequency of return). They also allow us to analyze the browsing of users to improve our service or detect malfunctions.

To set:

You can choose to activate or deactivate the cookies of our AT Internet audience measurement tool by deactivating your cookies. You accept the deposit of cookies for audience measurement purposes.


When you access our site, one or more cookies from partner companies ("third-party cookies") may be placed in your device.

We ensure that the partner companies agree to treat the information collected on our sites in compliance with the applicable regulations and undertake to implement appropriate measures for securing and protecting the confidentiality of the data.


For the viewing of videos, we offer on this site a reader whose use entails the deposit of cookies necessary for its proper functioning.



These third-party cookies are intended to identify your areas of interest through the products consulted on our site and to collect browsing data in order to personalize the advertising offer sent to you outside our sites.

They are likely to be placed in your terminal, to identify your interests through the products consulted on our site and to collect navigation data to personalize the advertising offer that is addressed to you on and off of our sites. 

The CNIL also offers on its website to the address wide range of tools to limit the traceability of your Internet browsing: extensions for your browser to block plotters, sharing buttons on social networks, loading resources from other sites.