A team led by French architecture firm Triptyque has designed Ecotone, a mixed-use development projected to become one of the largest wooden structures in the world. The €300m ($340m, £261.5m) project, which will feature biophilic and biomimetic elements – such as terraced hillsides inspired by bird and bee nests – will span 81,870 sq m and comprise a hotel and multipurpose sports hall, as well as fitness centres, restaurants, retail