Pakistan, June 21 -- The wall begins where the land stops answering to its own laws. It snakes across the scrub like a concrete serpent, folding hills and dry riverbeds into its embrace, swallowing entire villages in its arc. It ignores the maps in government archives, preferring the ones it drafts itself. Inside, the air feels rehearsed. Fountains rise and fall with the poise of a conductor's baton, palm trees stand in ranks like parade ground veterans, marble domes glow beneath an engineered dusk. Roads glide without fracture, water arrives with the punctuality of a train schedule that never changes, light runs unbroken through the darkest hours.

The first stones were laid when the tide-carrying ships docked in port under the quiet wei...