### Clue: Charlie's copying Mike in holidaying under canvas (7)
### Answer: CAMPING 
 ### Explanation: Definition: holidaying under canvas
 [ C(letter represented by "Charlie" in the phonetic alphabet) + APING(copying/imitating, as apes would do, better than other animals other than humans) ] **containing**(… in) M(letter represented by "Mike" in the phonetic alphabet).
There's camping:
… and then there's glamping: