A street in the Cuban capital, Havana, is home to 12 sets of twins, ranging from toddlers to senior citizens. Some say it could be something in the water. Others point to a tree with mystical significance for locals. And maybe it's just chance. Photo: In this September 29, 2013 photo, nine-year-old twin sisters Camila, left, and Carla Rodriguez pose for a portrait along their street in Havana, Cuba. 12 sets of twins live along two consecutive blocks in western Havana, ranging in age from newborns to senior citizens. “We love living on this block because we have twin friends”, said Carla. (Photo by Ramon Espinosa/AP Photo)

People carry bags containing their belongings past a burning residential block, caused by a recent shelling according to locals, on the outskirts of Donetsk, eastern Ukraine February 9, 2015. (Photo by Maxim Shemetov/Reuters)

Commuters watch after their train was blocked by leftist activists at a railway station during a nationwide general strike against the policies of the central government in Kolkata on March 28, 2022. (Photo by Dibyangshu Sarkar/AFP Photo)

Police officers remove Extinction Rebellion activists blocking a main street outside the Health Ministry, during a protest demanding actions against climate change, in Madrid, on March 26, 2021. (Photo by Gabriel Bouys/AFP Photo)

A mural on an apartment block created as part of the Urban Morphogenesis street art festival in the Novaya Tryokhgorka residential neighbourhood in the town of Odintsovo in Moscow Region, Russia on August 31, 2019. (Photo by Valery Sharifulin/TASS)

A reveller takes part in an annual block party known as “Ceu na Terra” (Heaven on Earth), during carnival festivities in Rio de Janeiro, Brazil February 3, 2018. (Photo by Pilar Olivares/Reuters)

Police officers block a road as lava rises following the eruption of a volcano on the Island of La Palma, in Tacande, Spain on September 22, 2021. (Photo by Borja Suarez/Reuters)

A reveller performs while attending the block party “Galo da Madrugada” during carnival festivities in Sao Paulo, Brazil on February 25, 2020. (Photo by Rahel Patrasso/Reuters)