Poetical works of Yoon Dong-ju, 《Sky, Wind, Star and Poem》.
<a href="//commons.wikimedia.org/wiki/User:%EC%98%A4%EB%AA%A8%EA%B5%B0" title="User:오모군">오모군</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>