<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.pexels.com/photo/tsigov-chark-bulgarian-is-a-ski-resort-in-the-western-rhodope-mountains-of-bulgaria-it-is-located-at-900-1000-metres-above-sea-level-and-is-located-8-kilometres-from-the-to-16917854/"><span style="font-size: 12px;color:black;">“Tsigov Chark (Bulgarian.) is a ski resort in the western Rhodope Mountains of Bulgaria. It is located at 900–1000 metres above sea level, and is located 8 kilometres from the to...”</span> </a>由 <a href="https://www.pexels.com/@kiril-gruev-2644795"><span style="font-size: 12px;color:black;">Kiril Gruev</span></a> 授权许可 <span><a href="https://www.pexels.com/photo-license/" target="_blank" style="font-size: 12px;color:black;">Pexels License<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>