¿Cuál de los siguientes no es reconocido como patrimonio cultural de la humanidad por la Unesco? A.- Qhapaq Ñan B.- Ciudad de Quito C.- Sangay D....

Out of the given options, the one that is not recognized as a UNESCO World Heritage Site is:

C.- Sangay

Here's why:

• Qhapaq Ñan: This is the extensive Inca road system and was inscribed as a World Heritage Site in 2014.
• Ciudad de Quito: As you previously mentioned, the historic city center of Quito was declared a World Heritage Site in 1978.
• Centro histórico de Cuenca: This beautiful colonial city center was added to the World Heritage List in 1999.
• Sangay: While Sangay National Park is undeniably important for its biodiversity and ecological value, it is not currently listed as a World Heritage Site by UNESCO.

Therefore, the answer is C.- Sangay.