evidence: An image shared on Facebook over 930 times purportedly shows a "Pagoda Flower" in Tibet that grows once every 400 years in the Himalayan mountains. [...] The Facebook image shows what appears to be a tall, yellow flower growing on the side of a mountain. "Tibet’s unique ‘Pagoda Flower’ is auspicious," the picture’s caption claims. "This is the Mahameru flower that blooms once every 400 years in the Himalayas."