Silence as a nature resource

Photo: Arne Ader
Icicles at Valaste falls.
 
Listen to Fred Jüssi’s reflections in Ööülikool (Night-time University radio; in Estonian): http://www.ylikool.ee/et/13/fred_jyssi
 
Acclaimed nature presenter and popularizer Fred Jüssi celebrates his 75th anniversary this Friday. 

The week in pictures