- Group made first swim across the Dead Sea
- They endured stinging salt to draw attention to the drying of the sea
- Shrinking sea blamed on resource policies
- Israel and Jordan have signed a deal to try to tackle the problem
Dead Sea, Israel (CNN)The swimmers pulled themselves from the water exhausted, their lycra swimsuits stiff from all the crystallized salt. The water had stung their eyes, burned their skin, and exposed cuts they never knew they had. But after seven hours in the water, just after the shadows started growing long again in the afternoon sun, they were finished.