Day of the Dead, also known as the Dia de los Muertos, is often mistakenly called the "Mexican Halloween" because of the year it's celebrated and its use of skeletons. The holiday has its roots in southern Mexico, honors the memory of departed family members, friends and even pets.

More than 1 million people watched on as colourful floats and people in costumes marched through Mexico City during a grand parade for the Day of the Dead on Saturday, according to the city administration. Mexico began celebrating the Day of the Dead on ...