Using a live camera on your website is a remarkable idea to advertise your business. It doesn't matter whether it is a website of a seaside resort, a city service, a website of a guesthouse or a ski lift, or a blog specifically for tourism. A live camera view will definitely have a positive impact on the traffic on your website. Moreover, the view from a live camera, such as Greece:
You can shoot whatever you want. You are basically limited only by your will and... GDPR regulations. You can easily use a live camera on your website.