The first kerosene lamp was constructed in 1853 by a Pole, Ignacy Lukasiewicz.
Lukasiewicz was a pharmacist who worked in the Lviv pharmacy "Under the Gold Star," owned by Piotr Mikolasch, a well-known Lviv businessman and pharmacist.
It is one of the most recycled materials in the world.
Approximately 60% of steel is recycled. However, because more steel is produced than is recycled, only about 40% of steel produced comes from recycling.
The construction led to the destabilization of a unique ecosystem in the region.
Many species of flora and fauna face extinction because of landslides triggered by the erosion of the reservoir. Moreover, the dam generated a microclimate, with increased growth of algae.