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Experts say France's royal jewels may be gone forever after thieves stole eight pieces, including crowns and necklaces, from ...

The Louvre has reopened. Now it is a race against time for authorities and the brazen thieves - Experts say France's royal jewels may be gone forever after a daring heist at the Louvre ...

The glittering sapphires, emeralds, and diamonds that once adorned France's royals could well be gone forever, experts said ...

Abstract: Accurate collection of crop planting information at large area is essential for estimating agricultural productivity and ensuring food security. Different crops have varying growth cycles ...