From the Cité des sciences et de l'industrie Set of 8 posters about the children's city: - Electricity" - 60x40cm - Traverser l'orage sans craindre la Foudre" - with logo cité des enfants - 60x40cm - "Découvre la nature la Fourmilière" - with logo cité des enfants - 60x40cm - The Intimate Brain" 60x60cm - "Imprimer - Exprimer" from April 10 to November 3 1991 - embossed poster - 60x40cm - "The Thought Factory" from April 10 1990 to January 6 1991 - 60x40cm - "Citizenship" 1998 - 60x40cm - "The Orientation Table" - exhibition to June 18, 1991 EXPLORA route - 60x40cm

Composed of several subsidiaries, the Drouot Group is a major player in the art market. Hôtel Drouot, located in the heart of Paris, has been the world's largest public auction center since 1852. 15 salerooms are available to more than 70 auction houses. The emulation generated by an annual offer of 230,000 artworks from 21 major specialities - from Antiquity to street art - attracts some 3,000 visitors every day. The Group's digital platform, Drouot.com, offers digital sales - Live auctions (live broadcasting and participation in auctions), Online-only auctions (dematerialised auctions) and Buy Now sales (sales of lots at fixed prices). Nearly 2 million items are offered annually by 600 auction houses. Auction news is reported every week in La Gazette Drouot, the leading weekly magazine for the art market and culture published by Auctionspress.