However , they not only managed to preserve the fragile tropical plants in times of economic chaos , but also to build three new greenhouses , and repaired the tropical house .
Fomin and his colleagues shared the ordeals of the First World War and the Civil war .
They not only managed to preserve the fragile tropical plants in times of economic chaos , but also to build three new greenhouses , and repaired the tropical house .
Fomin and his colleagues shared the ordeals of the First World War and the Civil war .