*Tourism*
1. *Annual visits*: More than 2 million visitors.
2. *Tourist infrastructure*: Hotels, restaurants, shops and services.
3. *Activities*: Guided tours, night visits, cultural shows.
4. *Adventure tourism*: Trails, cycling, bird watching.
5. *Cultural tourism*: Visits to archaeological sites, Mayan ceremonies.
*Sustainable Development*
1. *Preservation of heritage*: Protection of monuments and historical sites.
2. *Environmental management*: Waste management, water and energy conservation.
3. *Community development*: Support for local communities and the economy.
4. *Environmental education*: Programs for visitors and communities.
5. *Responsible tourism*: Promotion of sustainable practices.
*Sustainable Initiatives*
1. *Sustainable Tourism Program (PTS)*: Certification for hotels and services.
2. *Energy Efficiency Initiative*: Reduction of energy consumption.
3. *Recycling Program*: Solid waste management.
4. *Water Conservation Project*: Protection of hydraulic sources.
5. *Environmental Education Initiative*: Programs for schoolchildren.
*Benefits of Sustainable Tourism*
1. *Job generation*: Job opportunities for local communities.
2. *Economic ingress*: Benefits for the local and national economy.
3. *Preservation of heritage*: Protection of historical and cultural sites.
4. *Community development*: Improving the quality of life.
5. *Cultural promotion*: Diffusion of the Mayan culture.
*Challenges*
1. *Management of tourism demand*: Pressure on infrastructure and resources.
2. *Environmental impact*: Pollution, erosion and damage to biodiversity.
3. *Unplanned development*: Unplanned urban growth.
4. *Lack of infrastructure*: Limitations in basic services.
5. *Climate change*: Effects on site conservation.
*Sources*
1. "Sustainable Tourism in Chichen Itza" of UNESCO
2. "Sustainable Development in Chichen Itza" of INAH
3. "Chichén Itzá: Official Guide" of the Ministry of Tourism of Mexico
4. "Tourism and Sustainable Development" of the World Tourism Organization
5. "Studies on Sustainable Tourism in Chichen Itzá" from Mexican universities.
