Celebrating its 25th anniversary this year, The Snowman made a triumphant return to the place where it all started last night, when it opened at the Birmingham Rep, delighting audiences of all ages. The timeless story of a little boy whose snowman comes to life and takes him on a unforgettable adventure is a delight, and in the charming Lewis Chan, it has a truly adorable leading man. The Snowman is based on the classic Raymond Briggs story that was later turned into a animated film that is now a perennial classic, with the beautiful ‘Walking in the Air’ as much a part of Christmas as mince pies are. The…