Idea for a strange independent backpack mounted solar power panel
Sustainable wind power for remote shelters idea
Sketches and ideas for off-shore biodiversity wind-turbines to charge off-grid shelters for hikers
Frits Ahlefeldt: sketchbook and stories
Personal site – Journalism, talks and walks
Idea for a strange independent backpack mounted solar power panel
Sketches and ideas for off-shore biodiversity wind-turbines to charge off-grid shelters for hikers