| 1 | The child packed the sand down with his shovel. | |
| 2 | Similar sediment pollution scenarios are occurring in the headwaters of the Salween and Yangtze Rivers. | |
| 3 | We first saw smoke rising up in the valley, then the rocks and mud gushing out. | |
| 4 | Egypt's very soil was born in the Nile' s annual flood; with the flood came the life-giving mud that made Egypt the granary of the ancient world. | |
| 5 | Life is like a stirred-up lake: Allow it to calm and the mud will settle, clearing the water. |