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What is the main purpose of this article?

• The main purpose of this article is to inform readers about the process of qualifying and applying for RLD badges.
• The main purpose of this article is to inform readers about having a doctor’s certificate indicating their level of physical fitness.
• The main purpose of this article is to inform readers about the RLD event at Poklonnaya Gora.
• The main purpose of this article is to encourage people to take part in the RLD event at Poklonnaya Gora.