woman looking at stromatolites in lake thetis cervantes western australia

abstract activity adult ancient architectural attraction australia australian backgrounds bacterium beauty biochemistry biology built cervantes column copy culture cyanobacterium destination environment famous female fossil fun holiday lake layered leisure lifestyle living micro nature one organism outdoor outdoors pattern people person photosynthesis place relaxation reserve rock sea sedimentary sightseeing sky space stromatolite structure thetis tourism tourist travel vacation water western woman young