After more than 20 years, the roof on our house was getting a bit tired – the shingles had lost much of the gravel on them, and for some time there had been a few mysterious leaks that I could never completely find. So we bit the bullet and have had the olde shingles torn off and a new roof – with 50 year non-prorated warranty – put up. Day 1 saw well more than half the job done. I set up my two Canon digital cameras with the CHDK software on them to enable the Intervalometer and had them each taking a photo every 60 seconds during the day. I put these together with “Time Lapse Assembler” in to two time-lapse movies at 4 frames per second, so the videos are going at 240 times actual speed. Here they are: