Since last week, the traffic light in font of IACM has slight changed the timing system, (don't know whether many people notice that or not), the allocation time for using the cross road between the walking people has been changed from 42-22 to 40-24, I told my colleague, and she told me she didn't realise that.
With the small change, it seems that there is no big difference, but in our life, usually many things are changing gradually, we need to pay attention on that, otherwise we lose the track !
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