英文關鍵字
alps
beautiful
canton
clear
crystal
diving
enjoyment
favorite
huge
journey
landscape
located
mountain
nature
photographer
picturesque
place
power
refraction
relax
river
rocks
smooth
stones
sunlight
swiss
ticino
tour
tourism
transparent
travel
traveling
trip
turquoise
underwater
valle
valley
verzasca
voyage
water