The 40th International Composers Encounter starts with a special concert in Palma.
Of non-environmental projects, a key one is renovation at the hostel in La Victoria, Alcudia.
The busiest refuges are along the Dry Stone Route, GR 221 in the Tramuntana Mountains.
The Palma-Sóller vintage wooden train dates back to 1912 and was originally used to transport citrus fruit from the Sóller Valley to Palma.
Money seized from drug trafficking will now help those with addictions.
Vehicles will not be allowed to enter Son Valentí cemetery, Palma on Wednesday or Thursday, but there will be a special shuttle bus service.