Not absolutely certain but believe this to be "Summer Beauty" a pink flowering hybrid of Corymbia ficifolia (Red Flowering Gum) and Corymbia ptychocarpa (Swamp Bloodwood)
Photo ID: Summer-Beauty
excitations
Photo size: 8.2 Mpixels (23.4 MB uncompressed) - 2336x3504 pixels (7.8x11.7 in / 19.8x29.7 cm at 300 ppi)