A magnificent piece of work !! This is not how it would be done in Britain or most of Western Europe, here it would be attacked with a motorised hedge cutter for speed, just the tips would be cut off, leaving the centre to become thick and eventually brown and die !!! Unfortunately this is common practice with gardeners and it’s what clients want and expect !!! This procedure you have carried out looks so much nicer (I think) and has to be so much healthier for the plants !!! Well done !!! 👍👍👍👍🇬🇧