Hikers standing at entrance of cave

25 29 years 45 49 years adventure bonding cave caving color image copy space dark darkness view day distant entrance exploring friend full length hiker hiking hole horizontal low angle view man mature adult mature men mountain nature people photography rock russia space standing stone together tourist two people underground unrecognizable person ural young adult young men millennial2 20 25 20 30 20's 20s 25 30 40 45 40 50 40's 40s 45 50 50 55 50 60 55 60 adult adventuresome adventuring alpine asia asian buddy cavity chum color colour companion companionship comrade daylight daytime discovering distance exploration fellow fifties fifty forties forty friendship full body full length gentleman guy human human being long shot longshot low angle male mid life middle age middle aged middle age middle aged mountainous natural negative space northern asia pal peak person relationship russian sightseer sport subterranean togetherness tourism tramping twenties twenty two white space