||Oddly enough, men at work signs in Taiwan
feature shape and colour choice of the U.S.A. type whereas most other
signs are of the European kind.
Good point is that he's wearing an indigenous head-cap. From
the many small differences between both samples, make sure that
you notice the position of the spade relative to the heap.
Though men at work and falling rocks belong to
different design groups, both suggest left hand driving (explained in
Great Britain). The children signs however,
are from the right hand type (as expected).