City of the Sun. Heart of Darkness.

Before you is the fourth and final book in the series "City of the Sun." A series that combines a detective story, a family saga, and a thriller. Just seven months ago, students from Moscow Polytechnic had no idea they... would travel to India, then to Sri Lanka, and later cross the ocean to end up in Peru. The desperate wanderings of the heroes will conclude in the rainforests of Latin America. Maxim and his friends follow the trail of the Peruvian planter Carlos del Campo and the Russian manufacturer Alexei Zatrapezny, who founded the legendary City of the Sun in the depths of the Amazon. It is here that the greatest mystery of the Chavin civilization will be revealed, guarded for centuries by the chosen ones from around the world.