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File:Dawn of Mexico City.jpg

Dawn_of_Mexico_City.jpg ‎(400 × 300 pixels, file size: 44 KB, MIME type: image/jpeg)
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Description
中文: 墨西哥城的清晨

墨西哥城是 墨西哥的首都，也是全世界人口最多的 高原都會區（全市平均海拔2,240公尺），大墨西哥城地區共有超過2,200萬的人口，密度驚人。

由於人口稠密且 大眾運輸缺乏，居民普遍以污染極高的老舊設計車輛作為交通工具，再加上墨西哥城本身為一 盆地地形不通風，因此城內空氣污染異常嚴重。本照片的拍照時間實際上是墨西哥城當地早上七、八時的清晨，但因為早晨交通尖峰時間空氣污染嚴重，使得朝陽看起來猶如一般城市的夕陽般殷紅。

本照片中所見，是由 墨西哥城總統洲際飯店(Hotel Presidente InterContinental Mexico City)向南方俯視的城市一隅。

本圖片由上傳者 User:SElephant拍攝於2003年2月。
Date 28 May 2005 (original upload date)
Source Transferred from zh.wikipedia; transferred to Commons by User:Shizhao using CommonsHelper.
Author Original uploader was SElephant at zh.wikipedia
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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer Canon
Camera model Canon PowerShot S40
Exposure time 1/250 sec (0.004)
F-number f/2.8
Date and time of data generation 21:30, 1 May 2003
Lens focal length 7.09375 mm
Orientation Normal
Horizontal resolution 180 dpi
Vertical resolution 180 dpi
Software used Adobe Photoshop 7.0
File change date and time 23:02, 28 May 2005
Y and C positioning Centered
Exif version 2.2
Date and time of digitizing 21:30, 1 May 2003
Image compression mode 5
Shutter speed 7.96875
APEX aperture 2.96875
Exposure bias 0
Maximum land aperture 2.9708557128906 APEX (f/2.8)
Metering mode Centre weighted average
Flash Flash did not fire, compulsory flash suppression
Colour space sRGB
Focal plane X resolution 8,114.2857142857
Focal plane Y resolution 8,114.2857142857
Focal plane resolution unit inches
Sensing method One-chip colour area sensor
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 1
Scene capture type Standard

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