Britain’s plan for a “northern powerhouse” to counter the economic dominance of London is well under way in Manchester, at least on the stage. The city’s robust cultural credentials have been boosted by a raft of projects. The most prominent is the reopening of the Whitworth Art Gallery (pictured) after a two-year renovation that has doubled its size. The gallery’s summer program includes the only British showing (July 1-September 20) of a Chinese contemporary art collection destined for Hong Kong’s M+ museum. The city’s Central Library has reopened after a £50 million overhaul, and in March eight smaller, quirkier museums and galleries formed the Hidden collective to highlight their treasures. Last month an arts complex called Home opened in the city centre, said to be Britain’s largest arts hub outside London; it will be given a workout during the 10th anniversary of the biennial Manchester International Festival, opening on July 2. Among the highlights is Wonder.land, a reimagining of Alice’s adventures with music by Damon Albarn. More: manchester.ac.uk/whitworth; thehidden8.com; mif.co.uk; visitmanchester.com.