when london s skyline is lit up in colour with the fireworks all starts here on these barges in the east of london in the docklands. the final preparations are being put in place. there are thousands of shells, there are controlled firing panels, there are wires, so it s really interesting to see it all happening behind the scenes. it s a very, very meticulous operation and i m joined by the event director. just talk me through the numbers. how many fireworks and how long has it all taken? we have about 12,000 individual fireworks on these three barges and also the london eye. we don t get the chance to read that until tomorrow. we don t get the chance to read that untiltomorrow. rig. the most iconic part doesn t get rigged until 6am tomorrow. we have a crew of about 30 people working over the two locations since the 27th of december. we have got over 30 tonnes of equipment to load. almost 50 kilometres of cable and wire that need to be connected and 4,500 individual firin