π§πβ³
βοΈπ§β¬οΈβοΈπ§οΈβ¬οΈπ
π¦οΈβοΈπ¬οΈβοΈ
π¦οΈπ₯΅π¬οΈπ₯Ά
βοΈ/π§οΈ/π¬οΈ/βοΈ
πβοΈπ±βοΈ
βοΈβπββοΈβπΈ
ππ§πβοΈπ§οΈ
ππ‘οΈβ‘οΈ
π§πβ³
βοΈπ§β¬οΈβοΈπ§οΈβ¬οΈπ
π¦οΈβοΈπ¬οΈβοΈ
π¦οΈπ₯΅π¬οΈπ₯Ά
βοΈ/π§οΈ/π¬οΈ/βοΈ
πβοΈπ±βοΈ
βοΈβπββοΈβπΈ
ππ§πβοΈπ§οΈ
ππ‘οΈβ‘οΈ
#ice age #glacial cycle #geological cycle #climate cycle #long-term freezing