package holidays	a group of services related to travel or vacations that are sold together by a travel agency
passport	a document required to travel abroad by most countries
picturesque	beautiful and pleasant to look at
piste	a route for skiers
postpone	to put off for later
potholing	caving, cave exploration
provide somebody with something	give, offer, supply
purchase	to buy
quay	a pier
rappelling/abseiling	the practice of descending steep slopes using ropes
recommend	spread good opinion about sth, praise
requirements	demands, needs
resort	a place attractive for tourists
return ticket	round trip ticket(AmE), you go to your destination and back to the starting point
rural	outside the city, relating to the country
seashore	coast
security check	a process of verifying if a person is not armed or carrying some dangerous objects
self-catering accommodation	a place to stay where you have to cook for yourself
set up a tent	assemble and install a shelter made of canvas and supported by poles and ropes
short / long haul	short / distant journey
sightseeing	visiting other places