| 21. | Entering Nahwa, there is an Emirati police outpost some 80 metres after the boundary marker.
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| 22. | Fours and sixes also apply where the batter hits the ball past the boundary markers.
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| 23. | There is no trace of this boundary marker today.
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| 24. | The Eagle Tree is a natural boundary marker of Rancho San Pedro dating to 1858.
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| 25. | The tree is the ancient symbol of Ilsfeld, appearing on boundary markers since at least 1685.
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| 26. | There are no boundary markers or customs posts.
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| 27. | The frontiers of the esplanade were marked with six boundary markers, five of which have disappeared.
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| 28. | Historic buildings range from a Tipton Boundary Marker.
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| 29. | Suspended around the perimeter in precise locations are nine 200-pound granite balls serving as boundary markers.
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| 30. | Each country has the responsibility for maintenance of its boundary markers and keeping the clear-cut zone.
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