The sandstone formations continue to hold sway over Mr. Brewer-Carías, who still undertakes physically arduous expeditions into the interior with the assistance of private sponsors.
While there may not be as many places to explore that are both physically arduous and accessible to the general public, there still is much to explore in the world today.
The trip was physically arduous at times.
Getting all this into the tank in the 20 minutes it takes a 50mm (2in) diameter pipe to fill the tank can be physically arduous.
At large protracted incidents firefighters may be subjected to physically arduous work in inhospitable situations such as extreme heat.
For a honeymoon the couple undertook a physically arduous exploration of the mountainous northern Peloponnesus.
The climb is not technically difficult, but it is physically arduous because of the elevations and the frequent strong winds.
Mrs Layton remembered washing until 4 am when her husband was temporarily unemployed, and this was physically arduous work.
Creation apart, the writing of a symphony is physically arduous.
It had been ridiculously easy, although physically arduous.