Summary: Making headlines around the world this week: * A British art group raised more than $30,000 to replace every advertisement in a London subway station with pictures of cats. * A woman in Australia paid hundreds of dollars to save her pet goldfish's life after it swallowed a pebble. Brisbane Bird and Exotics Veterinary Services shared photos of the goldfish and detailed the $372 surgical procedure that involved applying an anesthetic agent to dislodge the pebble. * A train conductor in Spain left more than 100 passengers stranded as he abandoned the train because his shift had ended. * Human park visitors are often encouraged to clean up after their dogs, but some canines apparently consider it their duty to return the favor. * Shocked commuters in China captured video of a giant inflatable moon rolling through traffic when it was carried away by powerful winds. * A robot with a history of going rogue was detained by police at a political rally in Russia.
