What is the main content of landscape talk?

It depicts six landscape silhouettes and people and things in the landscape, which reflects the author's love and reverence for Yan 'an scenery and Yan 'an spirit.

Mr. Mao Dun described the scenery and characters of Yan 'an in the form of six paintings in Shan Shui Tan. These six paintings are Desert Camel Team, Returning to the Plateau Late, Returning from Production, Sheltering from Rain in Cave, Rest in Taolin and Trumpeter on the Peak. Through these pictures, Mr. Mao Dun combined the natural landscape of Yan 'an with human activities, making the landscape full of humanistic atmosphere. Through talking about mountains and rivers, readers seem to be in the scenery of Yan' an and feel the charm of Yan' an spirit. Mr. Mao Dun's description of Yan 'an scenery not only shows the beauty of nature, but also conveys his love and reverence for Yan 'an through human activities and spirit. This work has become one of the important literary works depicting the style of Yan 'an period, and also reflects the author's deep feelings for Yan 'an and his praise for the people.