Link to article: https://sverigesradio.se/sida/artikel.aspx?programid=114&artikel=7347546
Link to the whole interview: https://sverigesradio.se/avsnitt/1399159 (1:04:00 into the show)
Björn and Cecilia talks toilets with P4 Uppland on the world toilet day 19th of November (Swedish only)