It was long to build this mansion...
Rear view
3,840 x 2,160 in Q4 with R1.3.2 (AA:2/3, gI:def, dB/cP: 1/0, sS:glossy, nlfD/nlr: 250/1, f/sA:blackman/bucket, sbs=4) in 01h14mn
The next step will be to place this mansion on the top of a hill which dominates Potomac river.
[:)]