Like the cinematic equivalent of the ‘evolution of man’ graphic, each installment of the Planet of the Apes prequels has stood that bit taller than the last in terms of scope and ambition, as the franchise inches closer to the simian supremacy of Charlton Heston’s sixties space odyssey. 2014’s Dawn of the Planet of the Apes remains a stunning achievement in summer film-making, thanks to its expectation-defying mix of tragic fraternal conflict, lush botanic texture and a totally compelling hero. On Andy Serkis’ conflicted, motion-captured face was writ large the practical limits of Caesar’s longed-for apetopia and its non-violent covenant.…