2. A series of famous optical illusions that can be interactively tested.
3. One of the world's oldest optical illusions in art.
A 900-year-old exquisite bas-relief of an elephant and a bull sharing a common head is part of the Airavatesvara Temple, India built by Chola King Rajaraja II.
The faces behind world most popular memes and how they look in reality
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1. Samir Akhtar ‘The face of disappointment’
Muhammad Sarim Akhtar's picture became a meme after a cricket player on the Pakistan team, Asif Ali dropped a catch. He was disappointed as a fan and Cameras captured his emotions.
1. The Mauritanian iron ore train, one of the world's longest and heaviest, spans up to 3 km, travels 704 km, and has 200-300 carriages, each weighing up to 84 tons.