The garden of tropical agronomy is located on Paris’s margin. It is one of the remnants of french colonial history. Initially in the XIXe century, the garden was built with the intention of growing tropical plants for use in the French Empire ; then it purpose was to promote this colonial empire. In 1907, the grounds were transformed into a colonial exposition. It was built several replicas of the architectural style, the landscape, the supposed culture of the colonised land throughout the world by France. Men, women, and children were imported to the park to live behind fences under constant observation. They were dressed in circumstance and exhibed to the public. Gradually years after years, the garden has been abandoned and continues to deteriorate into ruins. Unsanitary and vegetation settle. Today the site has reopened and is classified historical heritage. However, it is not dedicated to the history of French colonization but to the stakes of sustainable development. For this to be accomplished some buildings of yesteryear are restored. I photographed for a year the traces of this colonial past. My intention was to understand the place of this heritage in our historical memory. What traces persist, which are erased or appear blurred. The different photographic modes used, the integration of archival images, are intended to emphasize the rough trajectory of this memory and its interaction with the present.