Tunnels underneath the River Thames constructed up to 1999 for the Millennium Dome; and a tunnel to the site of the old Ferranti power station on the east side of the mouth of Deptford Creek. There is also a tunnel between Cottons centre and the old Billingsgate Fish Market near to London Bridge. Citibank used it for cabling at one point; it was large enough for a person to walk through. The Silvertown Tunnel is a new Thames river crossing proposed to supplement the existing Blackwall Tunnel, which will join the Greenwich Peninsula with West Silvertown. There is also a further tunnel about two miles
Queen Elizabeth II Silver Jubilee Medal of a diameter silver disc with, on the obverse, the words "ELIZABETH II DEI GRA. REGINA FID. DEF." (Latin abbreviation for "Elizabeth II, by the Grace of God, Queen, Defender of the Faith") surrounding an effigy of Queen Elizabeth II, symbolising her role as fount of honour. On the reverse is a crown atop a wreath that contains the words "THE 25th YEAR OF THE REIGN OF QUEEN ELIZABETH II 6 February 1977" in six lines. The Canadian version was identical, except that the medal was slightly thicker, the crown on the Queen's effigy was more upright, and the reverse