विश्व की अत्यधिक खारे जल की झीलों में से एक 'वॉन झील' किस देश में स्थित है?

Lake Taupo, the largest lake by surface area in its country, is located in:

In Tibetan traditional contexts (such as in the Kangri Karchok), the expression 'Lake unconquerable' (Tso Maphan) refers to which of the following?

This lake has an average depth of 744 meters and reaches 1,642 meters at its deepest point, making it the deepest lake in the world. Identify the lake.