Arco review – primary-colour, major-key…
“What if rainbows were people from the future travelling in time?” is the sort of tagline that will make many punters run for the hills, but Ugo Bienvenu’s colourful, soulful sci-fi animation threatens to make skygazers and daydreamers out of anyone who deigns to take the trip. Arco is a boy from a far-flung future where humans…