I find it difficult to believe that 23 years ago all papers could talk about were the "wobble" on the pedestrian bridge and the eventful lifting of "the wheel" and yet as they sit by the river as an integral part of London's riverscape, it is not those most of us think about.
Ps. In the same grouping of millennium projects we find "the dome" which was shocking to see being treated up by the 60mph gales that took over the city earlier in the year.