The sun blazed down on Kalei­do­scope fes­ti­val 2025 at Alexan­dra Palace, on one of the hottest days of the year. Annu­al one-day event Kalei­do­scope has been designed to offer some­thing for every­one – and as a fam­i­­ly-friend­­ly fes­ti­val, you could say it deliv­ers.  For those vis­it­ing north Lon­don’s “Ally Pal­ly” for the first time, the…