“It was incredibly painful to see her walk.” Sachin Rai has been photographing the iconic tigress, Arrowhead, in Rajasthan’s Ranthambore National Park since she was a cub. Last week, Arrowhead, also known as T-84, died at the age of 11. Since then, a video that Mr Rai took days before she died has been going viral online. Her death, caused by an illness, was mourned by hundreds of wildlife enthusiasts, photographers and tour guides who had flocked to the park to get a glimpse of her. Tap on the

429K views · 3.6K reactions | Millions of people from around the world are heading to Uttar Pradesh in India to participate in the Mahakumbh Mela, the largest religious gathering of people on earth. This year, around 400 million people are expected to attend the 45-day spectacle, which is so large it can be seen from space. The BBC’s Anahita Sachdev lists three things that you need to know about the Mela. | BBC News India | Facebook