求翻译：　当地时间6月18日，G20峰会在墨西哥洛斯卡沃斯开幕。在领导人合影中，主办方用国旗来标示各国领导人的位置。合影完毕，领导人散去，脚下国旗被踩来踩去。而中国国家主席胡锦涛弯腰把这面国旗贴纸捡起，细心地收了起来。这一幕在网上引发热议。是什么意思？

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Local time on 18 June, 20 summit G in Los Cabos, Mexico. This photo shows the leader in hosting parties, the national flag to mark the location where the leaders. A group photo was taken, and the leaders have been dispersed, the national flag at his feet to go. And Chinese President Hu Jintao stoopi

　The local time on June 18, the G20 summit begins in the Mexican Lowes card wass.Takes a group photo in the leader, the sponsor side indicates the various countries' leader's position with the national flag.The group photo finished, the leader diverges, under the foot the national flag is stepped on

　Local time on June 18, the G20 Summit in Mexico Los Cabos opening. Group photo of leaders, hosting the leaders use flags to mark the location. Finished photo, leaders dispersed, the tread on a flag at the foot to step on. Chinese President Hu Jintao bowed picked up this flag sticker, carefully away

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