This is how the material for cork is collected.
Locals believe in the power of nature and take good care of it.
52% of the country’s electricity comes from renewable sources. The Portuguese are passionate about flora and fauna. For example, there are numerous eucalyptus groves in the vicinity of Porto and people even use the fruits that fall off of this tree. They use these fruits to make pendants, which are then worn around their necks and believed to protect their owners from colds and other seasonal infections. Also, they keep boxes of eucalyptus at home to scent the room, which is an excellent analog for candles or incense.