That Ms. Day was doing something more than right was spectacularly confirmed by the influx of her students into first-rank companies and by the prizes they won beginning in the 1970 's in top international competitions in Moscow ; Helsinki , Finland ; Lausanne , Switzerland ; and Varna , Bulgaria .
Bulgaria
Varna
/location/location/contains
Finland
Helsinki
/location/location/contains
Switzerland
Lausanne
/location/location/contains
Finland
Helsinki
/location/country/capital
LOCATION
Moscow
LOCATION
Helsinki
LOCATION
Finland
LOCATION
Lausanne
LOCATION
Switzerland
LOCATION
Varna
LOCATION
Bulgaria