When we booked several nights’ accommodation in Oaxaca, Mexico for the Christmas period we were blissfully unaware that our arrival day, 23 December is one of the city’s biggest nights – the Noche de los Rábanos or Night of the Radishes. Every year on the night of 23 December displays of intricately carved giant radishes are displayed in the Zocalo (Central Plaza). Here's what we saw.