unacquainted tourist walking on suspension bridge cross nam song river at tham chang cave vangvieng city laos

adventure ancient architecture asia asian beautiful bridge building cave chang city countryside cross crossing destination famous forest green hill holiday journey landmark landscape lao laos laosvangvieng mountain nam namsong natural nature orange outdoor park people river riverside rural scene scenery scenic sky sling song structure suspension tham thamchang tourism tourist town traditional travel tree unacquainted urban vacation vangvieng view walking water wooden