Excuse me, can you tell me how far it is from Xidan to Ditan park?

请问，你能告诉我从西单到地坛公园有多远吗？

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To celebrate 'World No Car Day' Friends of Nature together with STC are organizing a 'bike to movie' event at Ditan Park.

为庆祝世界无车日，下个星期自然之友将在地坛组织骑车看电影活动。

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