They also built railway stations , railroad workshops , elementary schools and hospitals along the Amur Railway .
At the suggestion of Alexander Liverovsky , the engineers devised a method of building piers with the use of heated concrete in below - zero weather conditions .
engineers also built railway stations , railroad workshops , elementary schools and hospitals along the Amur Railway .
At the suggestion of Alexander Liverovsky , the engineers devised a method of building piers with the use of heated concrete in below - zero weather conditions .