| Soon with a whistle and a puff a steam train chugged through the snaky valley below. |
| Using their mobile phones the drivers rang the fire service and told them of the devastation being wreaked as the traction engine chugged along. |
| Three hundred feet below, a red inflatable boat chugged out from the beach towards a strong swimmer. |
| But despite the countless cups of joe chugged down in cubicles, the workplace represents just a fraction of the overall coffee market. |
| As we chugged along the vivid green Wuyang River towards Dragon King Gorge, thickly forested crags and pinnacles of rock rose high above. |
| As we chugged across the Bosphorus we passed a school of ferries criss-crossing the straits in their livery of yellow and white. |
