safe passage , Laussane Swizerland, July 2014   

inside interior of library building, SwissFfederal university, prof Eugine and Ki sang SON, 4th July 2014, Lausanne

Inside of library building , round and slope level, Swiss Federal university, 4th nJuly 2014,prof Eugine and Kisang SON, 4th july 2014, Lausanne

 library round - curved building designed by Japanese Engr, Swiss Federal university, 4th July 2014, Lausanne

solar panel on the window of Swisstech conference, Swiss Federal university, 4th July2014, , Lausanne,

 scaffolding with a ladder and a passway, , 4th July,Zurich

scaffolding with a ladder and a pass way, 4th July, Zurich,

 stationery ladder with a cage, ki sang SON, Lausanne, 5th July 2014.  
 
safe access passway, scaffolding, ki sang son, Lausanne, ,July 2014.

 prof Eugen bruehwiler, restaurant in Lausanne, jan 2003  

 Evian France lake Leman, 10th Feb 2003

 
IOC, Lausanne 2nd Feb, 2003

prof Eugen Bruehwiler, civil engineering, EPFL

prof Eugen bruehwiler , restaurant in Lausanne,Jan 2003

Metro Boudnettee,  Lausanne, 15th Feb, 2003