Big in Berlin: four trends spotted at Gallery Weekend

Sandwiched between Art Brussels and Frieze New York, Berlin Gallery Weekend, which ended yesterday, 1 May, has always worked hard to attract international collectors to the German capital. The three-day event where more than 50 galleries coordinate their exhibition openings already struggles with a narrow local collector base. Now it will have to stave off competition from the prestigious Art Cologne fair, which is due to run on overlapping dates next year. But a recent slew of private museum o