an excellent printmaking work. a 35-year-old young farmer is sitting in front of a computer. his right hand is holding a mouse, and his left hand is pressing the ctrl key on the keyboard. he is using ai planning software to design his old courtyard house in northeast style. the computer screen shows the effect picture of the northeast ecological ai intelligent courtyard. with a focused look, he is wearing a short-sleeved shirt. outside the large glass window is a rural courtyard. there are various vegetables growing in the yard, including bean racks. in the distance, the open gate of the courtyard, solar photovoltaic panels are installed on the roof. under the eaves of the gatehouse, there is a swallow's nest. a swallow is flying towards the nest. there are some swallows standing on the electric wire. petunias cover the courtyard wall. medium shot presentation. the picture work is full of distinct printmaking styles and characteristics. with skilled printmaking engraving techniques, it is delicate, with clear engraving marks and strong layering. the theme is distinct, and the composition is ingenious. four colors of blue, green, red, and black-gray are overprinted in sets, with strong contrast. the picture and scene are moving, with high artistic value and strong appeal. it should have distinct characteristics of printmaking engraving techniques, 8k picture quality, top-level printmaking art level, and rich details