Guo had gone on a hike while visiting his hometown of Yichang in central China’s Hubei province in late January. When reviewing the photos, he saw something he hadn’t noticed before: A mountain shaped like a dog’s head rested on the ground next to the Yangtze River, its snout perched at the water’s edge.

When Shanghai-based designer Guo Qingshan went on a hike in late January, he didn’t release he was capturing a natural wonder. The mountain he captured was shaped like a puppy’s head, overlooking the Yangtze River.

When Shanghai-based designer Guo Qingshan posted a vacation photo on Valentine's Day and captioned it "Puppy Mountain," it became a sensation in China and even created a tourist destination.

When Shanghai-based designer Guo Qingshan posted a vacation photo on Valentine’s Day and captioned it “Puppy Mountain,” it became a sensation in China and even created a tourist destination.

The mountain, which viewers say resembles a dog's head, lies along the Yangtze River - the longest in China and the third-longest in the world - and can be viewed from an observation deck.

Tourists are flocking to Yichang in China to witness the viral rock formation sensation of 'Puppy Mountain'. View on euronews