He set various traps along the key passageways on the clan land's periphery according to the terrain.
Under the paths frequently traveled by the beast herds, he excavated pits with sharp wooden stakes at the bottom, cleverly covered with turf and leaves.
Between the trees, he set up slings and snares using elastic tree trunks capable of hoisting intruders upside down into the air.
During this period, Tu Hu also instructed members of the Downspirit Clan to create rockfall mechanisms, hidden high above the rocky gorge.
When these projects were completed, Tu Hu stood atop the raised wooden walls, looking out.
Under the setting sun, the neat rows of fields shimmered with greenery; the irrigation channels gleamed while solid wooden walls stood solemnly upright, filling him with a strong sense of achievement.
Yet, his civilization transformation project was not yet complete; this was merely the initial phase.
The next step was the transmission of knowledge.
