Hebrew coin minted by rebels as part of underground Jewish economy and used to pay tax at Temple in Jerusalem is discovered during six-year survey mapping area of Dead Sea Scrolls

Nature and Parks Authority reports a 22% rise in visitors compared to last year's holiday; Caesarea, Ein Gedi and Masada are the most popular sites

Sea of Galilee sees another 25,000 visitors; parks authority anticipating heavy crowds on Saturday as well

Experts say that at best, dramatic changes in the way natural resources are drawn from area may stop further decline, but restoration may be beyond hope