日出有黃橙色的虹橋?... A yellow & orange 'rainbow' during sunrise?

(English at the bottom)
6:32 a.m.
A yellow and orange 'rainbow'
like a dome covering the skyline.
White, yellow, orange, clearly differentiated.
白、黃、橙三色分明的光,橫跨天際
今天日出壯麗,但怎會有兩層黃、橙色,像彩虹橋一樣的光,像天幕般橫跨天際?像覆蓋整座山!

其實這種現象是數碼手機拍照(用風景模式)下,基於電子處理的效果,令太陽光的色彩層次較分明,因為肉眼看不到有明顯分別,而且色彩淡很多!

A beautiful sunrise and unprecedented scene again this morning.
How come there were two layers of color belts, yellow and orange, 
like a rainbow across the sky? Like covering the whole hill!

This effect was the result of digital processing of the smartphone, as naked eyes couldn't see such an effect.The camera in the smartphone presented more distinct layers of colors of the morning sunlight, which made the scenery more beautiful than what our eyes could perceive. The following photos were taken with the 'Scenery' mode, without other effects.
其實今早一覺醒來,即見天際有波浪雲海,第一張照片已見曙光初現,山脊上有淡淡黃橙兩層光芒:
I woke up this morning naturally and the first sight was layers of wavy clouds. 
This was the first shot:
6:27 a.m. Only faint yellow and orange light 
spanned across the skyline
初見淡淡黃橙光
五分鐘後,光的顏色、範圍與上圖的分別已很大,橫跨天際如拱橋、天幕、一道長虹!
6;32 a.m.
Big difference after 5 minutes :
white, yellow, orange: 3 'layers' of light.
The 'dome' enlarged, as if it was covering the hill
五分鐘後,光帶覆蓋範圍已擴大
6:33 a.m.
Three zones of colors: sky, hill, sea.
The sea was calm like a mirror
天、山、海三種層次的顏色,
波平如鏡,海水顏色如黑珍珠
6:39 a.m.
Just 6 minutes later, the color bands started to blur.
A green color appeared in the sky
(on the two ends of the 'dome')
六分鐘後,黃橙色的分界已模糊,
'拱橋' 兩端多了青綠色

之後光芒反而減弱,如晨光初現,被甚麼阻擋?
How come the light was reduced, as if it was the beginning of the show? 
What had blocked the sun?
7:02 a.m.
How come the 'dome' has disappeared?
But the sky's green and blue colors have increased
光芒怎會減弱?
不過藍綠色增加
7:06 a.m.
Golden egg yolk
金日漸現
7:10 a.m.
Five colors: whiter, yellow, orange, green, blue
白黃橙綠藍五種色
(較亮的LED 螢幕才能清楚分辨)
7:12 a.m.
The bands of different colors were not so clear cut
when the sunlight was getting stronger
光芒更強,但白黃橙界線開始模糊
7:19 a.m.
More green color in the sky,
a clear sky presented a bursting sun
天空更多綠色,天色好,太陽爆光
7:32 a.m.
Last photo, Yellowish color reduced
最後所攝,光芒四射,黃色減弱
今天黃橙光如長虹、拱橋、天幕般橫跨及覆蓋天際與山脊,邊界分明;但與上月感恩節所攝照片 (下圖) 比較,當時黃橙光像火球爆開,雖有萬丈光芒衝上雲霄,但白、黃、橙三種顏色的邊界模糊,那麼,究竟是甚麼原因導致兩天的景色如此不同?是能見度 (空氣透光度) ?是雲遮擋了陽光?誰知道原因?

Today, yellow and orange light belts spanned across the sky and covered the skyline, with clear boundaries. But on Thanksgiving Day a month ago, the sunlight looked like bursting out, without clear yellow and orange light belts, as the following photos show the difference. What had caused the difference between these two days? Was it air quality, or clouds blocking the sunlight? Who could explain the cause?
Thanksgiving Day, 23 Nov 2017,
a 'fire-ball' bursting!
What was the reason that had caused this difference 
with today's scenery which showed 
a clear band of yellow-orange 'rainbow'?
Today (21 Dec 2017)
With a clear yellow-orange 'rainbow'

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