Trudy Tuinstra's photos with the keyword: nature

In this forrest the build over 30 constructions, (the deltaworks, the harbours of Ijmuiden and BAngkok, rivers etc. to do research for what the water will do. Nowadays they can do it in the computer, but in the 60 and 70 years they tried it this way. Now it is given back to nature, but under supervision of an organisation, trying to make a nice green monument .