The golden week is coming, it is a good chance for people to travel and take relax from their work. Most people choose to visit the hot tourist sites, like the Great Wall. But the problem comes, some tourists act very impolitely, they get used to make some marks on the tourist sites, so as to prove that they have visited here. It is a rude way to do it, everybody has the duty to protect these historical relics. If people leave some marks on these precious architectures, then the sites will be valueless and lose its meaning. It has been advocated to travel politely for a long time and we need to follow the rules.
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