Inside Europe 06.04.2023

Finland becomes NATO's 31st member in record time, was peace in Northern Ireland achieved by one stubborn spy? And Istanbul bulldozes shoddy buildings as it prepares for the big one. Also: As Kosovo's ex-president goes on trial, is the West trying to rewrite history? memories of the Warsaw Jewish ghetto uprising 80 years on, and glowing algae and fungi help to light up a small French town.