The Sino-Burma Friendship Monument is a boundarysign and a friendship symbol.
中缅友谊碑既是国门的标志，又是友谊的象征。
2
The inner boundary either goes clockwise, or you put a minus sign.
内部边界曲线是顺时针的，或者加一个负号。
3
Then, as I pass the boundary leading to Wallace Rockhole, an aboriginal settlement, a big blue sign by the road jolts me back to my journey’s purpose: “Warning.