It's the autumn equinox here in the Northern hemisphere marking the astronomical start of autumn. Summer is gone but, looking around, nature already knew that.
I've been picking up fallen leaves from the back garden having noticed the colours begin to turn for a while. Last weekend, when stuck in traffic, I watched skeins of geese following their instinct, group after group beginning their migration from where they had gathered. A sight to behold.
Perhaps more striking has been the declining hours of daylight, it's something that sneaks up on you unnoticed until, suddenly, you realise the evenings are longer and it's dark when you rise in the morning.
The world does its thing, always changing - we just don't, or maybe choose not to, notice until we can no longer deny it. A metaphor for life itself?