Clearing customs on entering Australia from overseas can be a real hassle, if you are bringing in fresh foods, animals (dead or alive), plant materials, or even mud on your shoes!   (We have really strict quarantine laws to protect the unique natural environment.) 

What would your first reaction be on entering the wardrobe and discovering you've entered Narnia?

After days of maximum temperatures of 39 or more than 40 degrees Celsius, coming into Narnia to find snowy weather in a fir forest, my reaction would be to stay there, in the cold.  

And where around The Overflow the reed beds sweep and sway

To the breezes, and the rolling plains are wide,

The man from Snowy River is a household word today,

And the stockmen tell the story of his ride.

(A.B. "Banjo" Patterson) 

"And when she could not longer hide him, she took for him an ark of bulrushes, and daubed it with slime and with pitch, and put the child therein; and she laid it in the flags by the river's bank." -- Exodus 2:3

According to Tom Keneally's Commonwealth of Thieves, the walls of the first buildings in 1788 were panels of branches plaited together, with the cracks daubed with wet clay to make them more solid.