black chessman knocked down by white king - challenge authority stock pictures, royalty-free photos & images
crowd forming an arrow pointing at leader - challenge authority stock pictures, royalty-free photos & images
business colleagues talking in planning meeting - challenge authority stock pictures, royalty-free photos & images
two groups of businessmen are tug-of-war on arrows in opposite directions, the teams compete - challenge authority stock illustrations
surreal businessman standing in cubic room - challenge authority stock pictures, royalty-free photos & images
a businessman and three businessmen are tied with ropes and run in opposite directions, the concept of business competition and conflict - challenge authority stock illustrations
black businesswoman breaking through brick wall - challenge authority stock pictures, royalty-free photos & images
young couple arm wrestling against grey background - challenge authority stock pictures, royalty-free photos & images
white king who governs a black pawn - challenge authority stock pictures, royalty-free photos & images
businesswoman leading discussion during project meeting in office conference room - challenge authority stock pictures, royalty-free photos & images
gold and silver colored chess king pieces checkmate - challenge authority stock pictures, royalty-free photos & images
successful asian chinese senior manager looking away sitting at office lounge - challenge authority stock pictures, royalty-free photos & images
confident businesswoman holding a smartphone and looking at the sky in shanghai - challenge authority stock pictures, royalty-free photos & images
businesswomen in discussion in design office - challenge authority stock pictures, royalty-free photos & images
male boxer holding up punch mitts for partner while training in boxing ring - challenge authority stock pictures, royalty-free photos & images
portrait of serious young female soccer player standing on field with teammates - challenge authority stock pictures, royalty-free photos & images
referee breaking up dispute between two male football players - challenge authority stock pictures, royalty-free photos & images
balanced on a black and white finger - challenge authority stock pictures, royalty-free photos & images
female scientist working on experiment in fume hood in laboratory - challenge authority stock pictures, royalty-free photos & images
comparison of work efficiency and speed, different realities or ways to reach success, isometric businessman flying fast with rocket booster on his back and overtaking his companion. - challenge authority stock illustrations
rear view asian chinese businessman standing at roof garden office building in city during morning looking away - challenge authority stock pictures, royalty-free photos & images
female graphic designer working on digital tablet in design studio - challenge authority stock pictures, royalty-free photos & images
young confident man look beyond and wearing red cape acting like a superhero on top of the mountain. imagining of successful concept. - challenge authority stock pictures, royalty-free photos & images
nurse helping happy patient stand in hospital room - challenge authority stock pictures, royalty-free photos & images
senior businesswoman listening to presentation from coworker during meeting in office - challenge authority stock pictures, royalty-free photos & images
successful asian chinese senior businessman in suit sitting crossed leg on sofa in his office room looking at the capital city - challenge authority stock pictures, royalty-free photos & images
mature female business owner leading team discussion during project meeting in conference room - challenge authority stock pictures, royalty-free photos & images
caucasian soldier using holographs in combat zone - challenge authority stock pictures, royalty-free photos & images
businesswoman reviewing project on computer monitor at workstation in office - challenge authority stock pictures, royalty-free photos & images
mature businessman listening to coworker while seated at workstation in office - challenge authority stock pictures, royalty-free photos & images
european businessmen on cliffs looking at each other - challenge authority stock pictures, royalty-free photos & images
professional asian businesswoman standing in front of high-rise financial building in central business district of shanghai, china - challenge authority stock pictures, royalty-free photos & images
caucasian soldier using laptop in combat zone - challenge authority stock pictures, royalty-free photos & images
golden queen chess amongst fallen silver chess pieces - challenge authority stock pictures, royalty-free photos & images
thoughtful businesswoman looking through window - challenge authority stock pictures, royalty-free photos & images
smiling mature businesswoman leading team meeting in office conference room - challenge authority stock pictures, royalty-free photos & images
