Wasserfluh
Embed in your page
<iframe src="https://laceup.io/tour/colossal-2026/wasserfluh/finisher?embed=1" style="width:100%;border:none;" loading="lazy"></iframe>
<script>window.addEventListener("message",e=>{if(e.data?.type==="resize")document.querySelector('iframe[src*="/tour/colossal-2026/wasserfluh/finisher"]').style.height=e.data.value+"px"})</script>
