The Post-impressionism was a period of immense innovation and also influence. During the time Post-Impressionism, which is a French art movement that happened in 1800's to early 1900's, a wide range of artists and painters with their symbolic and abstracts arts arises.
The river flowed one way while the wind blew the other way which made sailing easier. If you wanted to go upstream you lowered the sails. If you wanted to go downstream you raised the sails
