Nina Canell

From Nina Canell's seven tonnes of mollusc shells at Berlinische Galerie to a leftist-philanthropic flower show at Isabella Bortolozzi, Claire Koron Elat previews the essential exhibitions opening in the German capital

At Daniel Marzona and Barbara Wien, Berlin, the artist highlights the communicative potential of everyday objects

From re-examined positions, to explorations of gender and energy: a roundup of the best shows across the city

Ahead of Paris Gallery Weekend, a round-up of the best shows to see in the French capital

Various venues, Berlin, Germany

Centre d'art contemporain d'Ivry – le Crédac, Ivry-sur-Seine, France