Blue tiles on the facade of the St. Petersburg Mosque, Russia

#Russie, #Tourism, #arabesque, #rossija, #Russland

“Savino Oko karst spring, Vusanje / Montenegro .”

#hiking, #blue, #outdoors, #water, #karsting spring

Waterfall Village, Gimmewald, Switzerland

#Waterfall Village, #Gimmewald, #Switzerland

Rooftop Garden, Cote d'Azur, France

#Rooftop Garden, #Cote d'Azur, #France

Going to Azenhas do Mar, a seaside town near Sintra, Portugal

#atlantic ocean, #seaside, #portogallo, #portuguese, #portugalia

The Spa Pool at Hammersley Gorge / Australia

#hiking, #gorges, #pool, #australien, #outdoors

“Roaring River Spring in Missouri / USA .”

#North America, #blue, #United States, #estados unidos, #etats-unis