Rosa Rugosa Thunb-Anticorrosive Wood Stock Image

In China, roses are regarded as symbols of assassins and chivalrous men because of their thorny stems.In the West, roses were regarded as a symbol of strict secrecy. In ancient Germany, banquet halls, conference rooms and hotel restaurants, roses were often painted or carved on the ceiling to remind participants to keep their mouth shut, keep their secrets and not reveal their words and deeds under the roses.