Our Itinerary is as follows but are flexible upon your valuable suggestions :
Day 1 : Arrive at Zurich Airport and overnight stay there
Day 2 : Train to Lucerne
Day 3 : Move to Interlaken
Day 4 : Zurich city
1. Is the Swiss Pass worth buying as we are traveling on a budget and will not have much time to visit all the places ?
2. Which are the must-see places in whole of Switzerland which can be explored in 4 days time ?