When a pope dies, a series of rites and rituals comes into play governing the interregnum — the period between the end of one pontificate and the election of a new pope. Historic rules say a pope's burial should take place between four and six days after his death as part of a nine-day period of mourning known as the novendiale. Read more: http://www.cbc.ca/1.7467689 »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video,