A lifeguard is perched atop the 300 foot sand cliffs above Black's Beach in California. From this perch, he can see quite a distance up and down the beach, and he's in constant contact with the crew down by the water. This crew patrols the beachline via jeep and personal watercraft.
On a side note, the greenish tint in the water is something I've often seen from this location. The colors have been boosted a little bit for visual impact, but it's not totally untrue.
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