Healing oceans through 3D-printing, the Bangladesh Accord, a sauna in the Karelia woods and a trip to Belfast

Take a stroll through the woods on the Russian-Finnish border — or your favourite bit of public space — to hear about how 3D-printed ceramics are helping vulnerable coral reefs; why garment workers are celebrating the renewal of an ethical manufacturing accord; and why Linda Bo Bardi is a Brazilian visionary. Plus, discover Belfast's layers of complex history.