Zombie walkers try to enter Guinness Book of Records - in pictures

A woman in zombie makeup looks at the camera as she takes part in the 'zombie walk' in Mexico City. Zombie Walk Mexico is trying to set a new world record for the biggest zombie walk Photograph: Marco Ugarte/AP

A man puts the final touches on his zombie makeup Photograph: Yuri Cortez/AFP/Getty Images

A man in the costume of a Native American takes part in the walk Photograph: Marco Ugarte/AP

A child touches foam zombie arms displayed on sale during the event Photograph: Yuri Cortez/AFP/Getty Images

A man dressed as a Nazi zombie sticks out his tongue Photograph: Marco Ugarte/AP

A woman shows off her 'botched surgery' as she takes part in the zombie walk Photograph: Marco Ugarte/AP

A young child made-up as a zombie looks at food made to look like human body parts Photograph: Marco Ugarte/AP

1960s west coast hippy culture never really died, but joined in the walk anyway Photograph: Marco Ugarte/AP

A girl dressed as a zombie looks into a shop window Photograph: Carlos Garcia Rawlins/Reuters

A zombie walks by the Revolution Monument in Mexico City Photograph: Alfredo Estrella/AFP/Getty Images

A man walks through the city on a lead Photograph: Alfredo Estrella/AFP/Getty Images

A woman and a baby in zombie makeup take part in the zombie walk Photograph: Alfredo Estrella/AFP/Getty Images

Zombies advance on the camera at the undead gathering in Mexico City Photograph: Henry Romero/Reuters