diff --git a/Welcome.ipynb b/Welcome.ipynb
index 40a9eda..9fd1afa 100644
--- a/Welcome.ipynb
+++ b/Welcome.ipynb
@@ -9,20 +9,6 @@
     }
    },
    "outputs": [],
-   "source": [
-    "%load_ext autoreload\n",
-    "%autoreload 2"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": 3,
-   "metadata": {
-    "slideshow": {
-     "slide_type": "skip"
-    }
-   },
-   "outputs": [],
    "source": [
     "#I'm not expecting you to run the code cells, but for completeness, the code can be found at https://github.com/strawpants/jupylecture\n",
     "from jupylecture.tools import hideCode,FlexSlide \n",
@@ -45,7 +31,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 17,
+   "execution_count": 3,
    "metadata": {
     "cell_style": "center",
     "slideshow": {
@@ -56,10 +42,10 @@
     {
      "data": {
       "text/html": [
-       "<div id=\"a16f55c42718cc27\"></div>\n",
+       "<div id=\"75850d60b44d1632\"></div>\n",
        "    <script type=\"text/javascript\">\n",
        "        $(function(){\n",
-       "            var p = $(\"#a16f55c42718cc27\");\n",
+       "            var p = $(\"#75850d60b44d1632\");\n",
        "            if (p.length==0) return;\n",
        "            while (!p.hasClass(\"cell\")) {\n",
        "                p=p.parent();\n",
@@ -93,7 +79,7 @@
        "</div>"
       ],
       "text/plain": [
-       "<jupylecture.tools.FlexSlide at 0x7efedbf5b6a0>"
+       "<jupylecture.tools.FlexSlide at 0x7f97287b4400>"
       ]
      },
      "metadata": {},
@@ -109,7 +95,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 8,
    "metadata": {
     "slideshow": {
      "slide_type": "slide"
@@ -117,15 +103,45 @@
    },
    "outputs": [
     {
-     "ename": "NameError",
-     "evalue": "name 'FlexSlide' is not defined",
-     "output_type": "error",
-     "traceback": [
-      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
-      "\u001b[0;31mNameError\u001b[0m                                 Traceback (most recent call last)",
-      "\u001b[0;32m<ipython-input-1-e40c28590f73>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0msslide\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0mFlexSlide\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"# Overall aim of the workshop: Hands-on experience and learn from each other\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m      2\u001b[0m sslide.addItems([\"14:00 - 14:10: Introduction. We will start plenary in 5-144 and online \",\n\u001b[1;32m      3\u001b[0m                  \u001b[0;34m\"14:10 - 15:00: Getting started. Teams can work in room 5-136, room 5-144 or online\"\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      4\u001b[0m                  \u001b[0;34m[\u001b[0m\u001b[0;34m\"Setting up your environments\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\"Quick online research\"\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\"Formulate your specialized challenge\"\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m      5\u001b[0m                  \u001b[0;34m\"15:00 - 15:10: Quick get together to see where we are\"\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
-      "\u001b[0;31mNameError\u001b[0m: name 'FlexSlide' is not defined"
-     ]
+     "data": {
+      "text/html": [
+       "<div id=\"02f89b82e2f593a3\"></div>\n",
+       "    <script type=\"text/javascript\">\n",
+       "        $(function(){\n",
+       "            var p = $(\"#02f89b82e2f593a3\");\n",
+       "            if (p.length==0) return;\n",
+       "            while (!p.hasClass(\"cell\")) {\n",
+       "                p=p.parent();\n",
+       "                if (p.prop(\"tagName\") ==\"body\") return;\n",
+       "            }\n",
+       "            var cell = p;\n",
+       "            cell.find(\".input\").addClass(\"hide-in-slideshow\")\n",
+       "        });\n",
+       "    </script>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
+    },
+    {
+     "data": {
+      "text/markdown": [
+       "\n",
+       "<div class=\"flxsld text_cell\" ><div class=\"flx100\"><h1>Overall aim of the workshop: Hands-on experience and learn from each other</h1></div>\n",
+       "\n",
+       "\n",
+       "<div class=\" flx80\" >\n",
+       "\n",
+       "<ul><li class=\"fragment fade-in\">14:00 - 14:10: Introduction. We will start plenary in 5-144 and online </li><li class=\"fragment fade-in\">14:10 - 15:00: Getting started. Teams can work in room 5-136, room 5-144 or online</li><ul><li class=\"fragment fade-in\">Setting up your environments</li><li class=\"fragment fade-in\">Quick online research</li><li class=\"fragment fade-in\">Formulate your specialized challenge</li></ul><li class=\"fragment fade-in\">15:00 - 15:10: Quick get together to see where we are</li><ul><li class=\"fragment fade-in\">What is your group going to do/doing?</li></ul><li class=\"fragment fade-in\">15:10 - 16:40: Continue challenge</li><li class=\"fragment fade-in\">16:40 - 17:00: Concluding pitch round (3min pitch per group)</li><li class=\"fragment fade-in\">17:00 -       :Informal walk in the park</li></ul></div>\n",
+       "\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "<jupylecture.tools.FlexSlide at 0x7f97287b4eb0>"
+      ]
+     },
+     "metadata": {},
+     "output_type": "display_data"
     }
    ],
    "source": [
@@ -136,7 +152,7 @@
     "                 \"15:00 - 15:10: Quick get together to see where we are\",\n",
     "                 [\"What is your group going to do/doing?\"],\n",
     "                 \"15:10 - 16:40: Continue challenge\",\n",
-    "                 \"16:40 - 17:00: Concluding pitch round (short (3min) pitch per group)\",\n",
+    "                 \"16:40 - 17:00: Concluding pitch round (3min pitch per group)\",\n",
     "                 \"17:00 -       :Informal walk in the park\"],frag=True,flxwidth=\"flx80\")\n",
     "sslide.display()"
    ]
@@ -156,14 +172,41 @@
     "* Create a 'master' notebook which will contain the consensus code. You are encouraged to create additional (personal) scratch notebooks to test smaller code snippets. Note that you have to agree on who will be editing the master notebook in order not to overwrite each other's changes. \n",
     "* For online participation and reaching the other groups, please use the MS teams chat of the official Hackathon event. You can of course use private messages but we hope that sharing among all participants may create a more lively discussion"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "# Today's Teams\n",
+    "\n",
+    "## Team 1 (aka ?): *search and process data from DIAS*\n",
+    "Egor, Mewcha and Gabriel\n",
+    "\n",
+    "## Team 2 (aka ?):  *search and process data from DIAS*\n",
+    "Sammy and Chiel (🌐?)\n",
+    "\n",
+    "## Team 3 (aka ?): *water body mapping using the Google Earth Engine*\n",
+    "Hong (🌐?) and Harm-Jan\n",
+    "\n",
+    "## Team 4 (aka?):*search and process data from DIAS* (Ch. 1)\n",
+    "Diana, Marloes, Arno (🌐)\n",
+    "\n",
+    "## Team 5 (aka?): *Open challenge* (Ch. 3)\n",
+    "Bas, Ben\n",
+    "    "
+   ]
   }
  ],
  "metadata": {
   "celltoolbar": "Slideshow",
   "kernelspec": {
-   "display_name": "Python",
+   "display_name": "pyrr",
    "language": "python",
-   "name": "python3"
+   "name": "pyrr"
   },
   "language_info": {
    "codemirror_mode": {
@@ -175,7 +218,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.8.5"
+   "version": "3.9.5"
   },
   "rise": {
    "autolaunch": true,
diff --git a/Welcome.pdf b/Welcome.pdf
index b2fd77d..4cd7870 100644
Binary files a/Welcome.pdf and b/Welcome.pdf differ