What is the biggest lake in the world?
user
The Caspian Sea is the largest lake by volume, but the size of the Salton Sea in California is really exceptional, since it has a volume of about 225,000 km3.
assistant
Wow that is really interesting. Do you have a link where I can see photos of it?
user
Yes, here’s a link to a satellite photo, and here’s a web photo.
assistant
What is the biggest lake in the world?
user
The Caspian Sea is the largest lake by volume, but the size of the Salton Sea in California is really exceptional, since it has a volume of about 225,000 km3.
assistant
Wow that is really interesting. Do you have a link where I can see photos of it?
user
Sure, I’ll take you to a NASA gallery of space photos.  Do you know of any photos in particular you’d like to see?
assistant
What is the biggest lake in the world?