The valley is highly irrigated , well populated and crowded with small fortified villages , orchards and groves , to which a fine background is afforded by the dark pine forests and alpine snows of the Safed Koh .
It is highly irrigated , well peopled , and crowded with small fortified villages , orchards and groves , to which a fine background is afforded by the dark pine forests and alpine snows of the Safed Koh .