“Unexpected humour”. The Dog and the Faucet, in Kolkata, India on January 2017. (Photo by Pau Buscató/The Guardian)

Two horses appear to burst into laughter before a sweet embrace. The horses both turn their head to look at the camera and flash their teeth, treating the lucky photographer to a rare shot. Moments later the pair show their affectionate side by coming together and “hugging”. Photographer Nir Amos, 34, said he was “amazed” to capture the horses “laughing” in a field near Skógar, in the south east of Iceland on July 31, 2018. (Photo by Nir Amos/Solent News & Photo Agency)

A white yak sits on the lakeside of Namtso on May 19, 2024 in Lhasa, Xizang Autonomous Region of China. As temperature rises and ice melts, Lake Namtso is entering its tourism season. An event celebrating the melting of frozen water of Lake Namtso is held on May 19. (Photo by Jin Wei/VCG via Getty Images)

Aerial view of sunbeam shining through mountain cave at Yueyan National Forest Park on August 27, 2024 in Yongzhou, Hunan Province of China. (Photo by Jiang Keqing/VCG via Getty Images)

Antonio Banderas attends the photocall for “Pain And Glory (Dolor Y Gloria/Douleur Et Glorie)” during the 72nd annual Cannes Film Festival on May 18, 2019 in Cannes, France. (Photo by Pascal Le Segretain/Getty Images)

A Goodwood official prepares to brave the rain on the opening day of the Glourious Goodwood, racing festivall at Goodwood Racecourse, Chichester, England on July 30, 2019. (Photo by David Hartley/PA Wire Press Association)

A combination photo shows various popular street foods under $6 from various hawker food stalls and eateries in Singapore, taken between July 28 to 31, 2016. Top row (L to R) bak chor mee, soya sauce chicken; Middle row (L to R) laksa, hokkien mee, nasi lemak, ice kachang; Bottom row (L to R) rojak, roti prata and satay. (Photo by Edgar Su/Reuters)

Tourists watch roaring torrent carrying a large amount of yellow sediment at the Hukou Waterfall on the Yellow River on August 15, 2024 in Yan'an, Shaanxi Province of China. (Photo by VCG/VCG via Getty Images)