Question: For a close-up view of a glacier and formidable ice caves, take the cable car and rack railway up the Montenvers to the dazzling Mer de Glace (Sea of Ice).
The ice caves are dangerous to explore during the windy seasons.

Answer: it is not possible to tell

Question: It was not uncommon for several families and their animals to share one room in crowded shantytowns.
Often, families would own multiple animals and live with them.

Answer: yes

Question: separately as follows.)
Gathered into one group.

Answer:
no