<span id="result_box" class="short_text"><span style="" title="">What are the projections EPSG: 4326 ??<br></span></span><span id="result_box" class="short_text"><span style="" title="">and why we must transform from </span></span><span id="result_box" class="short_text"><span style="" title="">EPSG: 4326 to EPSG:900913 </span></span><span id="result_box" class="short_text"><span style="" title="">when we use osm </span></span><span id="result_box" class="short_text"><span style="" title="">maps</span></span>