Jungle Ruins, Stefan Morrell on ArtStation at https://www.artstation.com/artwork/jungle-ruins
Ruins by Florent Llamas | Nature | 2D | CGSociety
Jungle ruins, Maciej Sikora on ArtStation at https://www.artstation.com/artwork/Z0kd8
Silent relic by ~phoenix-feng on deviantART join us http://pinterest.com/koztar
Swamp (Temple) by AdamPaquette.deviantart.com on @DeviantArt
Most living temples are true to their word: if there are snakes carved on the outside, there will be snakes aplenty on the inside.
forest and jungle scenery within concept art usually helps design levels with greenery within them, which usually have a green and yellow colour palette to accentuate the vines and the trees within the artwork