what would humanity leave behind as proof of its existence for the next civilization ?

 A future civilization or extraterrestrial species might find durable proof of humanity if the following elements were left behind by us:

Marvels of Architecture:

The Pyramids of Giza, the Great Wall of China, and other architectural marvels, as well as famous buildings like the Taj Mahal and the Eiffel Tower, may stand as tangible reminders of the triumphs of human civilization.

Cultural and artistic artifacts:

Exquisite pieces of literature, sculpture, art, and antiquities from other cultures could be used as evidence of the diversity and inventiveness of humankind. This could contain well-known artwork, vintage books, and antiquated objects.

Artifacts of Technology:

Technological relics, especially if kept in well-constructed archives or museums, could exhibit the development of human ingenuity. Examples can include early computers, spacecraft, or key inventions that impacted the path of history.

Scientific Findings:

Records and documentation of scientific accomplishments, experiments, and discoveries would shed light on how humans have understood nature. This could include study discoveries, breakthrough documentation, and publishing in the scientific community.

Records of Communications:

Future civilizations may be able to decipher written language, written records of human conversation, and digital archives. Libraries, databases, and archives that hold a multitude of knowledge about human societies may fall under this category.

 Effect on the Environment:

Geological and ecological indicators may show the good and bad effects of human activity on the environment. Traces of human activity on Earth, records of climate change, and fossil fuels may all offer insights on our impact on the globe.

Urban planning and infrastructure:

Road networks, urban landscapes, and infrastructure—like bridges and dams—may stand as reminders of human engineering and urban design. These structures might last for a very long time if they are preserved effectively or integrate into the underlying geological layers.

Genetic Records and Human DNA:

Preserved DNA samples and other forms of genetic data could provide insights about the biological composition of humanity. Information about genetic variety, migration patterns, and human evolution may be found in genomic records.

 Texts from Religion and Philosophy:

Throughout history, religious items, intellectual literature, and sacred texts have served as witnesses to the moral and spiritual aspects of human society. These writings may shed light on the values and worldviews that influenced the development of human societies.

Educational and Training Resources:

Textbooks, instructional manuals, and other educational resources that have been preserved may show how hard people have worked to teach and transmit information to coming generations. Libraries, internet archives, and educational institutions may have a lasting influence.

 Human Success in Space:

Satellites, spacecraft, and even man-made buildings on other celestial bodies could be among the artifacts and objects left in space that provide as enduring evidence of humankind's presence beyond Earth.

In the end, these components' durability and preservation would be determined by the steps that present and future generations take to protect and preserve the proof of human existence for the benefit of future generations or possible alien explorers.