Japan, the world’s most polite country, lost its patience with tourists and built a massive black barrier to block its well-liked viewing area in Fujikawaguchiko after locals complained about tourists littering, parking illegally, and even climbing onto surrounding roofs to get the ideal image.

One of the most recognizable images in Japan is perhaps the triangle shape of Mount Fuji rising into the clear blue sky, its snow-capped peak precisely reflected onto the placid waters of a neighb...