The Great Wall of China is the longest building on earth with a length of 13,170 miles. Made from a combination of brick, stone, wood and other materials, it was originally constructed primarily to serve as a defence against the nomadic invasions from the north that threatened Chinese states / empires.
A. Serbian nationalist wanted to anger Austria Hungary.
The reason was that the Byzantine sovereign prohibited the utilization of symbols worshipful admiration and the roman catholic pope's scorn this demonstration later the Byzantine heads turned around their stand permitting symbols, yet the harm between the places of worship was done; caused break. The Iconoclast debate of the eighth and ninth hundreds of years and the eleventh century Christian split between the houses of worship of Constantinople and Rome.