Brussels-Capital Region : protected areas in the Brussels Sonian Forest: vulnerable planting or regeneration plots, refuges for wildlife, fragile being recolonized areas. In those areas, walkers must always stay on the paths and dogs must be leashed (Order of 30 March 1995).

Brussels-Capital Region : protected areas in the Brussels Sonian Forest: vulnerable planting or regeneration plots, refuges for wildlife, fragile being recolonized areas. In those areas, walkers must always stay on the paths and dogs must be leashed (Order of 30 March 1995).

Brussels-Capital Region: location of various monitoring stations sound levels, managed by Brussels Environment. The monitoring stations are dedicated to ambient noise, road, rail and/or air. Indication of the name (corresponding to the location) and the dominant sound source. Measurement results are available via the module WebNoise on the website of Brussels Environment.