The bank on either side they were bricking up and cementing.

The overhanging trees and bushes, the tangled vines and creepers they were rooting up and trimming down.

A little further I came upon the finished work--the mountain valley as it ought to be, according to German ideas.

The water, now a broad, sluggish stream, flowed over a level, gravelly bed, between two walls crowned with stone coping.

At every hundred yards it gently descended down three shallow wooden platforms.