Actor Kim Soo Hyun joined the yellow ribbon campaign.

On April 24, Kim Soo Hyun posted on his website, "I pray that all our hearts will reach heaven" along with a drawing of a yellow ribbon.

Kim Soo Hyun had also donated $300,000 to the Danwon High School.

The yellow ribbon campaign is in hopes of the safe return for the missing students in the ferry. The phrase "One's small act for a big miracle" has been spreading along with the yellow ribbon, uniting everyone's mournful yet hopeful hearts.

Photo Credit: Kim Soo Hyun Website