Where to watch the World Cup By Martin Stocks   The Vault   http://www.the-vaults.org/ Leake St, London SE1 7NN 020 7401 9603   World Cup Carnival Tickets here: http://www.tickettailor.com/all-tickets/3283/11c4/   This huge underground space in the tunnels near Waterloo is throwing carnivals for most of the World Cup games. I…