Ключевые слова: animal, animals, artificial, bee, bees, biotope, black, brown, bug hotel, closeup, colony, compensation, diy, europe, germany, hole, holes, homemade, hotel, insect, insect hotel, insects, macro, manmade, mason, mason bee, mason bees, megachilidae, nature, nest, osmia, osmia bicornis, osmia rufa, red, rustred, stem, sustainability, swarm, wildlife, wood, wooden, work,