In 2020 seven nations signed the agreement to establish principles on how countries should co-operate on the Moon's surface.
Source: Computational Materials Science, Volume 267，更多细节参见heLLoword翻译官方下载
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Green means go.
中院门楼也是哥特式尖顶方柱，门楣阴刻石匾“福寿康”，两边影壁是精美的青砖阳雕五福绕寿图案。西院主房正门圆拱上方镶嵌“慎修身”门匾，两侧分别有“树德”“务本”阳刻砖雕门匾。窗楣是圆拱砖砌，并分别雕以篆字诗句：“遣兴千杯酒”“消闲万卷书”“雅室枝叶茂”“春风桃李新”。，详情可参考旺商聊官方下载