Often shot from a helicopter, the watchtowers and their surrounding fortifications have a medieval look, but their hi-tech cameras and listening devices, which tracked civilian movement on both sides of the border, signalled the surveillance future that we all, to some degree, now inhabit.
The demolitions, coming after what the army said were stepped up gunfire and grenade and bomb attacks on soldiers patrolling the border, signaled a return to a tactic used by the Israelis before a cease-fire was agreed to on June 13.
On Tuesday, China ran missile defence drills near the North Korean border, signalling their readiness to ward off a surprise attack.
On Tuesday, Polish Foreign Minister Radoslaw Sikorski said the movement of Russian troops, tanks, armored vehicles and war planes to Ukraine's border signaled a substantial heightening of tensions and risk of invasion.
From the edges of these sequences we stripped 5000 bp to remove border signals.
Officials on both sides of the border have signaled that the leaders intend to focus publicly on economic cooperation during the meetings.
Mr. Bush should keep calling until humanitarian workers and investigators are permitted free movement in the region, a no-fly zone is declared and the killings are stopped, and he should dispatch Mr. Powell to the Chad-Sudan border to signal America's resolve.
The border closing signaled the limits of Pakistan's tolerance for intrusions on its sovereignty and for the pressure it was willing to absorb from American officials on any range of issues, despite receiving nearly $2 billion a year in military aid from Washington.
