angles appearance communicating communications communications-equipment concave connecting dish distant distinctive electrical-signals electromagnetic equipment exterior external height high light mobile-phones modern parabolic parabolic-reflector radio-waves receivers receiving round satellite-dish satellite-dishes sending Signals steel steel-structure technical technology telecommunications telephones tower towering transmission transmissions transmitters transmitting activities activity aim backboard background backing-board ball-game basketball basketball-basket basketball-board basketball-hoop black-and-white board frame game grayscale greyscale hoop image isolated mesh metal monochrome net outdoors park public recreation rectangles rectangular rim shoot shooting shot sport sporting-equipment strong target training weathered active art bouncer bouncing butterfly children’s-play-area children’s-playground climbing colors colours community enjoying enjoyment fun green leisure outdoor outdoor-play-equipment play play-area playground playing public-space recreational safety shade shaded shadows shady sheltered spring springing suburban sunlight sunshine surface symmetry