MEXICO CITY, MEXICO - JANUARY 30: Traditional trajineras (colorful boats propelled by a rower who offers tours through the Xochimilco canals) are seen lined up on the polluted water of the Zacapa pier, while rowers wait for customers, in Xochimilco on the outskirts of Mexico City, Mexico on January 30, 2024. The biodiversity of Xochimilco, an UNESCO World Heritage site, is increasingly in peril as a result of contamination of its canals, which affects directly not only the wetlands but also residents and its economic activities specially hundreds of rowers of the traditional trajineras at the Zacapa pier, the oldest one in Xochimilco, due to the decrease in customers. Daniel Cardenas / Anadolu