By Olivia Ladanyi
Lamps decorated with bacteria cultures, a swarm of drones programmed to mimic a flock of birds and the world's first modular hearing aid are among 261 design projects that made the 2019 longlist for Dezeen Awards.
We attracted over 4,500 entries from 87 different countries for the second edition of our awards programme, which celebrates the best new architecture, interiors and design in the world.