Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, answers on the death of Russian opposition leader Alexei Navalny, and an explanation to the mystery of why humans have chins
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这组数据意义重大。它意味着有一批成熟的、追求深度体验的消费者正在崛起。也有一批真正成熟的邮轮玩家，已经在用真金白银为“诗与远方”投票了。
Фото: Константин Михальчевский / РИА Новости