Chen Shi left the community. He stopped every so often and used his fingers as a frame to make sure that the “shi” in the air was still visible.

The little monk's drawing was very clear. The window was in the shape of “tian”, and the word “shi” occupied the upper left corner.

Xu Xiaodong sent a text message every few minutes to ask him, “Is it done?”

After walking for an hour, he lost count of how many times he had climbed up buildings. Chen Shi suddenly found an old residential building about six stories high. Although it was old, it was painted with a new layer of paint and had a “For Rent” sign posted downstairs. The rent was quite cheap and it seemed like people had taken ownership of the building as a rental investment.

Chen Shi ran over to each unit over six stories. In the stairwell window of...