It's 84 metres tall and built of wood to reduce carbon emissions. The fire brigade is a little worried though. Read the Guardian article here.
More details and insight in Wooden skyscrapers could be the future of flat-pack cities around the world, which mentions "plyskyscrapers" around the world. It makes no mention of Japan, home of the world's oldest and for a few hundred years the world's biggest wooden buildings, both in Nara. This is surprising for a country with such a massive building industry and huge forest, as well as great pride in woodwork. You may think it has something to do with earthquakes, but the article mentions wooden buildings being used in rebuilding Christchurch, New Zealand, after the quakes of 2010 and 2011. Maybe that's another area where the image of Japan as a high-tech utopia is at odds with reality.
And if you want more information and some worked examples, here's a 200-page book by Michael Green: The Case for Tall Wood Buildings
