One of the main reasons for this claim is because not only is the hole the deepest in the world, it has not been completely figured out yet.

Source: A look at the deepest hole in the entire world – Interesting Engineering

You do not even need any special equipment for this. What happens here is a brilliant usage of one of the important properties of glass.

Source: How to turn a beer bottle into a glass in 2 minutes – Interesting Engineering

…och vad är nu detta för fågel vid fågelbordet?

Under åren 2012, 2013 och 2014 dödades eller skadades 439 hundar av vildsvin. Motsvarande siffra för varg var 16 hundar.

Source: Vildsvinen skadar fler hundar än vargen – det skrämmer inte Jägareförbundet