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