Shanghai outside the window is still soaked in ink, with only the scattered lights of office buildings outlining the city's outline. He stepped on soft-soled slippers and walked to the balcony. His fingertips ran across several pots of small-leaf rosewood bonsai placed on the railing. These were materials he "picked up" from Southeast Asian wood dealers and polished them into potted plants himself. They were used as decoration and to practice wood identification.