<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://avopix.com/photo/393772-ponderosa-pine-at-the-a-bar-a-guest-ranch-near-riverside-in-carbon-county-wyoming-original-image-from-carol-m-highsmith-rsquo-s-america-library-of-congress-collection"><span style="font-size: 12px;color:black;">“Ponderosa pine at the A Bar A guest ranch, near Riverside in Carbon County, Wyoming. Original image from Carol M. Highsmiths America, Library of Congress collection.”</span> </a>由 <a href="https://avopix.com/author/photos/carol-m-highsmith"><span style="font-size: 12px;color:black;">Carol M Highsmith</span></a> 授权许可 <span><a href="https://creativecommons.org/publicdomain/zero/1.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">CC0 1.0 Universal Public Domain Dedication<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>