diff --git a/index.html b/index.html
new file mode 100644
index 0000000..e1acff2
--- /dev/null
+++ b/index.html
@@ -0,0 +1,174 @@
+<!DOCTYPE html>
+<html lang="es">
+  <head>
+    <meta charset="utf-8" />
+    <title>Estructura de Madrid-Destino 2016</title>
+    <link type="text/css" rel="stylesheet" href="style.css"/>
+    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
+    <style type="text/css">
+      .node circle {
+      cursor: pointer;
+      fill: #fff;
+      stroke: steelblue;
+      stroke-width: 1.5px;
+      }
+
+      .node text {
+      font-size: 11px;
+      }
+
+      path.link {
+      fill: none;
+      stroke: #ccc;
+      stroke-width: 1.5px;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="body">
+      <h1>Estructura de Madrid Destino</h1>
+      <div id="footer">
+	<p>Realizado con <a href="https://github.com/vchatterji/opml2json">opml2json</a></p>
+        <div class="hint"><p>pincha para expandir o colapsar</p></div>
+      </div>
+    </div>
+    <script type="text/javascript">
+      var m = [20, 120, 20, 120],
+      w = 1280 - m[1] - m[3],
+      h = 800 - m[0] - m[2],
+      i = 0,
+      root;
+
+      var tree = d3.layout.tree()
+      .size([h, w]);
+
+      var diagonal = d3.svg.diagonal()
+      .projection(function(d) { return [d.y, d.x]; });
+
+      var vis = d3.select("#body").append("svg:svg")
+      .attr("width", w + m[1] + m[3])
+      .attr("height", h + m[0] + m[2])
+      .append("svg:g")
+      .attr("transform", "translate(" + m[3] + "," + m[0] + ")");
+
+      d3.json("madrid-destino.json", function(json) {
+      root = json;
+      root.x0 = h / 2;
+      root.y0 = 0;
+
+      function toggleAll(d) {
+      if (d.children) {
+      d.children.forEach(toggleAll);
+      toggle(d);
+      }
+      }
+
+      // Initialize the display to show a few nodes.
+      root.children.forEach(toggleAll);
+
+      update(root);
+      });
+
+      function update(source) {
+      var duration = d3.event && d3.event.altKey ? 5000 : 500;
+
+      // Compute the new tree layout.
+      var nodes = tree.nodes(root).reverse();
+
+      // Normalize for fixed-depth.
+      nodes.forEach(function(d) { d.y = d.depth * 180; });
+
+      // Update the nodes…
+      var node = vis.selectAll("g.node")
+      .data(nodes, function(d) { return d.id || (d.id = ++i); });
+
+      // Enter any new nodes at the parent's previous position.
+      var nodeEnter = node.enter().append("svg:g")
+      .attr("class", "node")
+      .attr("transform", function(d) { return "translate(" + source.y0 + "," + source.x0 + ")"; })
+      .on("click", function(d) { toggle(d); update(d); });
+
+      nodeEnter.append("svg:circle")
+      .attr("r", 1e-6)
+      .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
+
+      nodeEnter.append("svg:text")
+      .attr("x", function(d) { return d.children || d._children ? -10 : 10; })
+      .attr("dy", ".35em")
+      .attr("text-anchor", function(d) { return d.children || d._children ? "end" : "start"; })
+      .text(function(d) { return d.name; })
+      .style("fill-opacity", 1e-6);
+
+      // Transition nodes to their new position.
+      var nodeUpdate = node.transition()
+      .duration(duration)
+      .attr("transform", function(d) { return "translate(" + d.y + "," + d.x + ")"; });
+
+      nodeUpdate.select("circle")
+      .attr("r", 4.5)
+      .style("fill", function(d) { return d._children ? "lightsteelblue" : "#fff"; });
+
+      nodeUpdate.select("text")
+      .style("fill-opacity", 1);
+
+      // Transition exiting nodes to the parent's new position.
+      var nodeExit = node.exit().transition()
+      .duration(duration)
+      .attr("transform", function(d) { return "translate(" + source.y + "," + source.x + ")"; })
+      .remove();
+
+      nodeExit.select("circle")
+      .attr("r", 1e-6);
+
+      nodeExit.select("text")
+      .style("fill-opacity", 1e-6);
+
+      // Update the links…
+      var link = vis.selectAll("path.link")
+      .data(tree.links(nodes), function(d) { return d.target.id; });
+
+      // Enter any new links at the parent's previous position.
+      link.enter().insert("svg:path", "g")
+      .attr("class", "link")
+      .attr("d", function(d) {
+      var o = {x: source.x0, y: source.y0};
+      return diagonal({source: o, target: o});
+      })
+      .transition()
+      .duration(duration)
+      .attr("d", diagonal);
+
+      // Transition links to their new position.
+      link.transition()
+      .duration(duration)
+      .attr("d", diagonal);
+
+      // Transition exiting nodes to the parent's new position.
+      link.exit().transition()
+      .duration(duration)
+      .attr("d", function(d) {
+      var o = {x: source.x, y: source.y};
+      return diagonal({source: o, target: o});
+      })
+      .remove();
+
+      // Stash the old positions for transition.
+      nodes.forEach(function(d) {
+      d.x0 = d.x;
+      d.y0 = d.y;
+      });
+      }
+
+      // Toggle children.
+      function toggle(d) {
+      if (d.children) {
+      d._children = d.children;
+      d.children = null;
+      } else {
+      d.children = d._children;
+      d._children = null;
+      }
+      }
+    </script>
+  </body>
+</html>
