The city stands at the head of a small valley, 11,380 ft.
The city is built on rolling ground about 900 ft.
The crossing is surmounted by a dome, and the extremity of the north transept by a fine square tower over 160 ft.
Paris mushrooms are cultivated in enormous quantities in dark underground cellars at a depth of from 60 to 160 ft.
The beds are formed of horse-droppings which have been slightly fermented and frequently turned, and may be made 2 or 3 ft.