Queen Elizabeth is being mourned by her family, fans and admirers. In Britain, her death at age 96 has thrown a state apparatus into motion that has sat idle for 70 years - since Queen Elizabeth's father, King George VI, died. The British government dubbed the intricate protocol of handling Elizabeth's death "Operation London Bridge". It ranges from succession rules to the process of bringing the queen's coffin from Balmoral Castle in Scotland to London. NDTV's Parmeshwar Bawa breaks down the details.