1.   In some cases lahars travel large distances and form thick deposits up to tens of metres deep.

2.   The basket was about a metre deep and the back of it had been built right up high so as to support the bank of flowers.

3.   He said some of the cracks were more than half a metre deep and this caused fears that the road might soon collapse.

4.   Mr Cheung said a layer of soil half a metre deep would be dumped on top of the carcasses to stop them attracting birds and flies.