File:罗文峪.png

No higher resolution available.

罗文峪.png (457 × 578 pixels, file size: 264 KB, MIME type: image/png)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.

Summary

Description罗文峪.png	中文：威廉.盖尔（美国传教士兼探险家）,于1907年至1908年期间拍下的罗文峪 English: Photo published in the 1909 book The Great Wall of China (Google Books )
Date	22 June 2017
Source	http://houlei8928.blog.163.com/blog/static/12252633820100311463238/
Author	中文：威廉.盖尔（美国传教士兼探险家） English: William Edgar Geil 1865-1925 于1907年至1908年全线考察

Licensing

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.