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After World War II, Alice became the first Curator of her Collection, and took in hand the gardens with René Pechère, a landscape designer. She continued the sponsoring activities of her husband, helping artists, ceramists, sculptors, dancers, opera singers and scientific researchers. She also became closer to the Royal family, especially Queen Elisabeth of Belgium, and together they met in her house young winners of the famous musical competition. The house seemed to live in the spirit of the Twenties, round Eric Satie's piano.

 

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Dinner at the van Buuren's house, with Prince Baudouin, future King of Belgium, 1949.
Ballet in the gardens, 1960.
Queen Elisabeth congratulates the young Jewish violonist Zivoni, in the reception room of the van Buuren's house.