Heart-breaking footage shows a dead sea turtle tied up to a ghost net. <br /><br />Scuba diving instructor Younggun Lee, 37, encountered the heart-wrenching scene while diving in the Sea of Japan off the coast of South Korea.<br /><br />Younggun was coming up to the surface and was approximately five meters deep when he came across the dead sea turtle. <br /><br />Younggun, a scuba diving instructor and freediving trainer, said: "I was shocked and didn't know how to react.<br /><br />"This video is more than just one individual death. <br /><br />"It highlights the myriad of issues faced by marine creatures like sea turtles.<br /><br />"That day, we not only saw a dead sea turtle but also various types of fish and clothing caught in the net.<br /><br />"I shared the video in the hope that more people will be interested in protecting marine life."
