!.5 minutes at f22 on my 5d. The GRD3 had unexpectedly run dry.
2 lanes of traffic merge to 1 from left and right.....no quarter asked and none given!

Marble Arch Madness by petach123 (Peter Tachauer), on Flickr
2 lanes of traffic merge to 1 from left and right.....no quarter asked and none given!

Marble Arch Madness by petach123 (Peter Tachauer), on Flickr