THE LYNGBY AGRICULTURAL COLLEGE 103 



notice, as is one of churning by means of a dog which 

 performs an endless journey inside a wheel and thus 

 rotates the churn. 



Another very interesting series is that showing 

 the process of reclamation of waste sands by means 

 of afforestation. 



I think that this idea of open-air museums is one 

 which might with advantage be adopted in our own 

 country. 



