Visitors got a taster of some of the 1,000 different activities that will be on offer throughout the centre's first season, including art classes, cookery demonstrations, lectures and films.
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Organisers of a music festival in Upminster have apologised after a long queue to get in turned into a stampede.
The 17-year-old died after a stabbing in a park on March 1.
The run is the inaugural event for the Ruth Strauss Foundation, founded by Strauss in memory of his wife who died last year.