Read it through once

At nine or ten in the morning we reached the Plain of the Shepherds, and stood in a walled garden of olives where the shepherds were watching their flocks by night, eighteen centuries ago, when the multitude of angels brought them the tidings that the Saviour was born. A quarter of a mile away was Bethlehem of Judea, and the pilgrims took some of the stone wall and hurried on.