Venezuela has declared seven days of mourning for more than 2000 quake victims.

Those rescued include 60-year-old woman trapped for 86 hours, as tens of thousands still reported missing.

Experts say the first 72 hours after natural disasters define the narrow window for rescuing the living. After that the search usually becomes one of recovering bodies.

Venezuelans are desperately searching for survivors after powerful earthquakes, with hopes fading as days pass. The cash-strapped government faces immense pressure to manage the…