| 1 | But what you have are these canals. | |
| 2 | We can see from this that initially the cave diggers aimed mainly at worshipping Buddha . | |
| 3 | One clue to the origin of the peculiar shape of glacial valleys is the mechanisms by which glaciers carve valleys. | |
| 4 | It becomes this economic dynamo because of that, and thus traders are to be found everywhere. | |
| 5 | He says removing the blockages entails very serious operations, including cutting new taps in the pipe. |