Lena Pillars on the Lena River in Yakuia, Siberia, Russia. Photo: Ajar Varlamov.

Lena Pillars on the Lena River in Yakuia, Siberia, Russia. Photo: Ajar Varlamov.

Lena Pillars on the Lena River in Yakuia, Siberia, Russia. Photo: Ajar Varlamov.