1.0Conservatoire du Papier et des Arts Graphiques – Moulin de la Tournehttps://moulindelatourne.com/blogmoulindelatournehttps://moulindelatourne.com/blog/author/moulindelatourne/rich600338<blockquote class="wp-embedded-content" data-secret="55qSyHJDZF"><a href="https://moulindelatourne.com/blog/quand-les-feuilles-deviennent-elles-orange/">Quand les feuilles deviennent-elles orange ?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://moulindelatourne.com/blog/quand-les-feuilles-deviennent-elles-orange/embed/#?secret=55qSyHJDZF" width="600" height="338" title="« Quand les feuilles deviennent-elles orange ? » — Conservatoire du Papier et des Arts Graphiques – Moulin de la Tourne" data-secret="55qSyHJDZF" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://moulindelatourne.com/blog/wp-includes/js/wp-embed.min.js </script> When do leaves turn orange? The vibrant transformation of leaves to orange hues occurs primarily in autumn, as trees prepare for winter. This change is triggered by shorter daylight hours and cooler temperatures, which signal trees to reduce chlorophyll production, revealing the orange and red pigments that are always present but masked during the growing […]