How a Czech geographer mapped the real headwaters of the Amazon River

In this weekend edition of Czechia in 30 Minutes, our host is Professor Bohumír Janský, the Czech geographer who identified the true headwaters of the Amazon River. His pioneering expeditions in Peru reshaped scientific understanding of the world’s greatest river. He also reflects on the years he spent conducting demanding fieldwork around Lake Baikal.

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This episode is 28 minutes long.

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This episode was published on December 13, 2025.

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