The video documents Noh Hongchul traveling to the Nepal Himalayas with actressLee Siyoungand singerKwon Eunbi.

After regaining consciousness five hours later, Noh Hongchul explained,“I lost consciousness for a moment.

I woke up in the morning and went for a walk, but my condition suddenly worsened.

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I kept eating something, and there was tremendous bubbling in my stomach.”

He added,“There were 2.9 kilometers left to the accommodation, but I dont remember anything.

I was unconscious and faint.

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After that, I was hurriedly carried to a bed.

“Noh Hongchul also shared that someone massaged his body and checked on him with concern.

The cause of his collapse was identified as altitude sickness.

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What is altitude sickness?

Symptoms include headaches, vomiting, dizziness, loss of appetite, difficulty breathing, and decreased urine output.

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