hen Gartens in St. Petersburg. 



c/l/LcK>M/l/H \AXy&b 

 10 20 30 40 50 60 70 80 90 100] 



Echelle 



10 _ 10 20 30 40 50 60 70 CO <M 100 



200 I 



j 1 | Metres. 



