The photo of a flower bud of the orange-red coneflower was taken shortly before sunset. The glow of the spiny center is due to intense sidelight of the setting sun. When it hits the spikes at a certain angle they seem to glow from within.
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The photo of a flower bud of the orange-red coneflower was taken shortly before sunset. The glow of the spiny center is due to intense sidelight of the setting sun. When it hits the spikes at a certain angle they seem to glow from within.