noctilucent clouds. dramatic sky in twilight. noctilucent clouds shinning clouds over lakhta-center skyscraper, saint-petersburg

architecture astronomy atmosphere atmospheric background beautiful beauty blue bright city cityscape cloud clouds coast dark dramatic earth evening illuminate lakhta lakhtacenter landscape light mesosphere mesospheric midnight morning natural nature night noctilucent outdoor over phenomenon reflection russia saintpetersburg sea shine shinning silver sky skyline skyscraper space summer sun sunrise sunset twilight view water weather white