(...) Kim says North Korea's timing on the warning is part of the North's unique zig-zag strategy.

VOA: standard.2009.10.15

About 60 schools have the Keep Clear road signs with zig zag markings, while a few others have yellow lines with loading bans or pedestrian crossings with white zig zags, the council said.

BBC: Coldean Primary School poster

And from there continue south, zig-zagging through ancient small streets with traditional courtyard residences.

BBC: Peddling in the old kingdom of bicycles

Those who choose the slope hop and zig-zag across and down, as if they're skiing.

CNN: Romancing the dune in Namibia