Ruhrgebiet

Ruhrgebiet

17 photos

Burkina Faso

Burkina Faso

76 photos

Vietnam

Vietnam

67 photos

Innovation fair 2008, Ouagadougou, Burkina Faso

Innovation fair 2008,...

11 photos

Sengerema shared wireless mesh network

Sengerema shared wireless...

18 photos

Japan

Japan

8 photos